# T. Okker Match Log

Source: https://tennis-db.com/players/4575675/t-okker/matches
Tour: ATP
Rows on canonical first page: 200
Total matching rows: 951
Main-draw summary: 672-279 (70.7%)

## Visible match rows
| Date | Result | Opponent | Tournament | Category | Round | Surface | Score | Match URL |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1981-11-04 | L | Tom Gullikson | Stockholm | ATP 250 | R64 | Hard | 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:d7e5b0190a5e3f42f6dd812bb215b67fa09749ad3df652a3ca7415213cb61f63/tom-gullikson-vs-t-okker |
| 1981-10-16 | L | Andres Gomez | Basel | ATP 250 | R16 | Hard | 4-6 6-7 | https://tennis-db.com/matches/sackmann_atp:dd987c8e0043ab56336f860d7c5f2bf67b4c2e1be1e7dafbd77286c065ed3003/andres-gomez-vs-t-okker |
| 1981-10-15 | W | S. Sorensen | Basel | ATP 250 | R32 | Hard | 7-5 6-2 | https://tennis-db.com/matches/sackmann_atp:ece2bc166a41b72169f9ea9d92d4152876c0f5057f8dca61e29e942e172a2ffd/t-okker-vs-s-sorensen |
| 1981-10-08 | L | I. Nastase | Tel Aviv | ATP 250 | R32 | Hard | 6-4 4-6 6-7 | https://tennis-db.com/matches/sackmann_atp:4ad39068f41dc2f6ea5c4b71a0d8eca0175535869372b55fe745bd1d484e2ae3/i-nastase-vs-t-okker |
| 1981-07-09 | L | C. Kirmayr | Gstaad | ATP 250 | R32 | Clay | 2-6 0-6 | https://tennis-db.com/matches/sackmann_atp:a1af7ae920d4c5ca96951e376f98c43b486f51ccb668dcefad0cb30e1f57ea64/c-kirmayr-vs-t-okker |
| 1981-06-24 | L | T. Wilkison | Wimbledon | Grand Slam | R128 | Grass | 5-7 7-5 4-6 6-7 | https://tennis-db.com/matches/sackmann_atp:6d130814818b578cfdd0dc97d33a32ddb66b172c69d6253962cfc925db79a348/t-wilkison-vs-t-okker |
| 1980-11-21 | L | V. Amritraj | Bangkok | ATP 250 | R16 | Carpet | 5-7 3-6 | https://tennis-db.com/matches/sackmann_atp:878bf053c6414e311b32f6543f95f79b2c16875b1ef736894ce04b776929ea66/v-amritraj-vs-t-okker |
| 1980-11-20 | W | H. Stiegler | Bangkok | ATP 250 | R32 | Carpet | 7-6 7-6 | https://tennis-db.com/matches/sackmann_atp:2c439d6021ce313a7ce8d600c727310ae2e51a6efb8af9d2748c6243b4a713fa/t-okker-vs-h-stiegler |
| 1980-11-14 | L | Ramesh Krishnan | Taipei | ATP 250 | R16 | Carpet | 6-4 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:5c9cc4e93d23fdc207745030da54fb4c91190d3d34d31f63207465baa1538079/ramesh-krishnan-vs-t-okker |
| 1980-11-13 | W | M. Goldberg | Taipei | ATP 250 | R32 | Carpet | 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:2ebb9d516134a49f0b821b2b58e0aa325378576601072dc17ab9f3f80de9a9f5/t-okker-vs-m-goldberg |
| 1980-10-18 | L | B. Borg | Basel | ATP 250 | SF | Hard | 1-6 2-6 | https://tennis-db.com/matches/sackmann_atp:5f28f3274f3ba5b8841a2010821fe400f4f86645e00abb01173cc9c22408c424/b-borg-vs-t-okker |
| 1980-10-18 | W | R. Moore | Basel | ATP 250 | QF | Hard | 6-1 7-5 | https://tennis-db.com/matches/sackmann_atp:7f292e7f152a598f9838907386b650348e1f8fa53ce538fe21427922e9460c07/t-okker-vs-r-moore |
| 1980-10-17 | W | H. Gunthardt | Basel | ATP 250 | R16 | Hard | 4-6 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:68968e014c472ae826c49fd157aa916e94e319afde124e0483aa841fcad69372/t-okker-vs-h-gunthardt |
| 1980-10-16 | W | R. Simpson | Basel | ATP 250 | R32 | Hard | 3-6 6-3 6-3 | https://tennis-db.com/matches/sackmann_atp:52174868e626e2cd8d1e4b370e45339b67aa9036b6e9f196c534576e60b372da/t-okker-vs-r-simpson |
| 1980-10-11 | L | Sammy Giammalva Jr | Tel Aviv | ATP 250 | QF | Hard | 6-4 4-6 4-6 | https://tennis-db.com/matches/sackmann_atp:eb50f5531f9e3b2cfd78b276f9eed54eea65f165173cdf363f1a9bffb6eef8d8/sammy-giammalva-jr-vs-t-okker |
| 1980-10-10 | W | Matt Doyle | Tel Aviv | ATP 250 | R16 | Hard | 6-3 6-1 | https://tennis-db.com/matches/sackmann_atp:cbd90a7d71f4b42a45eedaeb4fa5decc7aae5320be7140af7306a9633ef4fecd/t-okker-vs-matt-doyle |
| 1980-10-09 | W | S. Simonsson | Tel Aviv | ATP 250 | R32 | Hard | 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:c54f6896df22c58f8ecb2d25a88a7475231b17659eef5381c3c1ba77a10f8983/t-okker-vs-s-simonsson |
| 1980-08-28 | L | T. Giammalva | US Open | Grand Slam | R128 | Hard | 2-6 6-7 3-6 | https://tennis-db.com/matches/sackmann_atp:3a38c3534ec26e74cbbb3b89834a7a17735f1b77bbad14d36bf22931b8bda340/t-giammalva-vs-t-okker |
| 1980-08-20 | L | J. Borowiak | Cincinnati | Masters 1000 | R64 | Hard | 5-7 2-6 | https://tennis-db.com/matches/sackmann_atp:d3693703eacb658c46691a45aab30e8ca40cde63cb25921042f17eebf0ac87ae/j-borowiak-vs-t-okker |
| 1980-07-26 | L | B. Mottram | Hilversum | ATP 250 | QF | Clay | 5-7 3-6 | https://tennis-db.com/matches/sackmann_atp:598afcd8e4896fdac338478b29cceb7050f6847de4abf0496dd271b001f03d79/b-mottram-vs-t-okker |
| 1980-07-25 | W | L. Palin | Hilversum | ATP 250 | R16 | Clay | 7-5 6-3 | https://tennis-db.com/matches/sackmann_atp:46ce13e73e241e87c7598314b650ed5f98c7a6a466509068480b845ea251a75b/t-okker-vs-l-palin |
| 1980-07-24 | W | A. Maurer | Hilversum | ATP 250 | R32 | Clay | 6-1 6-4 | https://tennis-db.com/matches/sackmann_atp:b1e8649acee33bcf8f0670ce7702aad39c9158b33ced8c6a61be749094d5839c/t-okker-vs-a-maurer |
| 1980-07-17 | L | I. Nastase | Stuttgart Outdoor | ATP 250 | R32 | Clay | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:ec8653d0e7f039ea0953893154e11704481b0bffade8bcdf89c286ac504f0530/i-nastase-vs-t-okker |
| 1980-06-29 | L | John McEnroe | Wimbledon | Grand Slam | R32 | Grass | 0-6 6-7 1-6 | https://tennis-db.com/matches/sackmann_atp:d9d6465d7a16631e35ecf35176933f9deb4852d4f0947945d94b8fa1dacf2bd7/john-mcenroe-vs-t-okker |
| 1980-06-27 | W | P. Dominguez | Wimbledon | Grand Slam | R64 | Grass | 7-6 7-6 1-6 2-6 6-3 | https://tennis-db.com/matches/sackmann_atp:3e410a688b02c82277bebf146aa29338b08ad666979770ea5dd90bc90b21b1e9/t-okker-vs-p-dominguez |
| 1980-06-25 | W | J. James | Wimbledon | Grand Slam | R128 | Grass | 6-3 7-6 6-3 | https://tennis-db.com/matches/sackmann_atp:61d72281126c04fe7777c26bcb5730f6cb8fa9bb12d5cc57d680bedb6a102cd5/t-okker-vs-j-james |
| 1980-05-23 | L | J. Kodes | Munich | ATP 250 | R32 | Clay | 5-7 6-1 3-6 | https://tennis-db.com/matches/sackmann_atp:858c08d0985ef0177f77bb9bc19e98a6154e4d5ae3e4b9489ab564feb0e2f68c/j-kodes-vs-t-okker |
| 1980-05-08 | L | R. Ramirez | Forest Hills Wct | ATP 250 | R32 | Clay | 7-5 1-6 1-6 | https://tennis-db.com/matches/sackmann_atp:b5b129082f0c667502ec0c5492cf47543a48fa4d8f150eb5702e67910b805642/r-ramirez-vs-t-okker |
| 1980-03-06 | L | K. Johansson | Cairo | ATP 250 | R32 | Clay | 6-3 3-6 0-6 | https://tennis-db.com/matches/sackmann_atp:8b6d27ff46d488cf929e5669f978ff16b02e95ad75023989d14cfb01c1e9926d/k-johansson-vs-t-okker |
| 1980-01-17 | L | B. Walts | Birmingham | ATP 250 | R32 | Carpet | 4-6 4-6 | https://tennis-db.com/matches/sackmann_atp:cc4170f9b64ed9a9871b7aafbcaa3d594db1f2a09842a77ac1ca622f5a320f72/b-walts-vs-t-okker |
| 1979-11-16 | L | R. Lewis | Wembley | ATP 250 | R32 | Carpet | 6-3 4-6 5-7 | https://tennis-db.com/matches/sackmann_atp:954d7d7f02a42aeda35a0be55dcc8993425ce3a1b83a1929a14fb4160ab13dd0/r-lewis-vs-t-okker |
| 1979-11-07 | L | Tim Gullikson | Stockholm | ATP 250 | R64 | Hard | 6-7 4-6 | https://tennis-db.com/matches/sackmann_atp:86852b5a1fd3e90742104b0356551625bd99034ab12be2a63649d60320488762/tim-gullikson-vs-t-okker |
| 1979-10-25 | L | M. Cox | Vienna | ATP 250 | R32 | Hard | 1-6 2-6 | https://tennis-db.com/matches/sackmann_atp:14df7f8680df63740f9bd3f501e7b178029683176f531871cc42309a76061b14/m-cox-vs-t-okker |
| 1979-10-14 | W | P. Hjertquist | Tel Aviv | ATP 250 | F | Hard | 6-4 6-3 | https://tennis-db.com/matches/sackmann_atp:3c8a81870e1a5a819c79e34a043749bd26698ac49393b490377e089cebc8dcbb/t-okker-vs-p-hjertquist |
| 1979-10-13 | W | S. Simonsson | Tel Aviv | ATP 250 | SF | Hard | 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:598dda6d9832639a0ad371fddf5b10273a4a5fdd0bb78b05c8121afbc629b758/t-okker-vs-s-simonsson |
| 1979-10-13 | W | S. Glickstein | Tel Aviv | ATP 250 | QF | Hard | 7-5 6-7 7-6 | https://tennis-db.com/matches/sackmann_atp:6c5112854baa7980ebc091b2b0269cf3592de5dc70b6c991a0e336a4c11f62b9/t-okker-vs-s-glickstein |
| 1979-10-12 | W | Chaim Arlozorov | Tel Aviv | ATP 250 | R16 | Hard | 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:00a7821f73d6e0cb4a006bffe436a6165dad720edc6778d414f59d390370eca4/t-okker-vs-chaim-arlozorov |
| 1979-10-11 | W | T. Svensson | Tel Aviv | ATP 250 | R32 | Hard | 4-6 6-3 6-1 | https://tennis-db.com/matches/sackmann_atp:c85de0097e841403432e54d0be2f75ce32072e526d71ca2d2953b2dbcb57e0fd/t-okker-vs-t-svensson |
| 1979-08-30 | L | P. Fleming | US Open | Grand Slam | R128 | Hard | 6-7 4-6 6-0 3-6 | https://tennis-db.com/matches/sackmann_atp:5677198e046c73c616cec4c4cb158fb580e525747808bc214498bbcf7ce61ece/p-fleming-vs-t-okker |
| 1979-08-23 | L | Vincent Van Patten | Cincinnati | Masters 1000 | R32 | Hard | 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:db2f5f2e85233f31874c79e14bf2a12815134e66f8df8773a8e577892d261ea8/vincent-van-patten-vs-t-okker |
| 1979-08-22 | W | Fred Mcnair | Cincinnati | Masters 1000 | R64 | Hard | 1-6 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:ada3fef7d582def82acbb8dfbd1df29333c0b9b28765f9563894281891f06ff7/t-okker-vs-fred-mcnair |
| 1979-08-18 | L | Ivan Lendl | Montreal / Toronto | Masters 1000 | R16 | Hard | 2-6 1-6 | https://tennis-db.com/matches/sackmann_atp:74f47b9de65cae536c1a4b9839781a245283ee6d7a39adfd2538610bda458b2a/ivan-lendl-vs-t-okker |
| 1979-08-16 | W | G. Vilas | Montreal / Toronto | Masters 1000 | R32 | Hard | 6-3 7-5 | https://tennis-db.com/matches/sackmann_atp:d9b5f1b2e6b78d9896e0b3e8ae2c4a3499b0c69159e017895138d74a31e7a9ea/t-okker-vs-g-vilas |
| 1979-08-15 | W | B. Drewett | Montreal / Toronto | Masters 1000 | R64 | Hard | 1-6 6-2 6-4 | https://tennis-db.com/matches/sackmann_atp:0911f20def26f9c511bddc4ab4cc5c86f34af06a9fa1dae4a4b03ad6e2eb3eea/t-okker-vs-b-drewett |
| 1979-07-26 | L | A. Gimenez | Hilversum | ATP 250 | R32 | Clay | 1-6 2-6 | https://tennis-db.com/matches/sackmann_atp:d97a876db4d55ae16376c094517e95dd569a258859ddc57da7f21016d6346bd5/a-gimenez-vs-t-okker |
| 1979-07-14 | L | Peter Mcnamara | Gstaad | ATP 250 | QF | Clay | 7-6 5-7 3-6 | https://tennis-db.com/matches/sackmann_atp:ece46997f23137a7a082218663dc2cf23c54b34daaa3bad662664ebfe4e78975/peter-mcnamara-vs-t-okker |
| 1979-07-13 | W | H. Kary | Gstaad | ATP 250 | R16 | Clay | 6-1 7-6 | https://tennis-db.com/matches/sackmann_atp:a98544439121bc47d672aec547799b120f945486340a2b94d64cf38619118b93/t-okker-vs-h-kary |
| 1979-07-12 | W | R. Fagel | Gstaad | ATP 250 | R32 | Clay | 7-6 6-0 | https://tennis-db.com/matches/sackmann_atp:d7aaf947134297227374a322e84f5bf90ef5d2e5e7ae57883669334109091493/t-okker-vs-r-fagel |
| 1979-07-06 | L | B. Borg | Wimbledon | Grand Slam | QF | Grass | 2-6 1-6 3-6 | https://tennis-db.com/matches/sackmann_atp:f9de4bbd0c259c74de355de427e9bf0cee5ca8b5e840a9f33b735e204c2efa2e/b-borg-vs-t-okker |
| 1979-07-04 | W | G. Mayer | Wimbledon | Grand Slam | R16 | Grass | 7-6 5-7 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:ff32a1aaf2604aa8f572379a40b9480c78e226584cb054ae2d619d0eb20179bb/t-okker-vs-g-mayer |
| 1979-07-01 | W | T. Wilkison | Wimbledon | Grand Slam | R32 | Grass | 7-5 7-5 6-4 | https://tennis-db.com/matches/sackmann_atp:297aca109a4cfc3a4c24e7199c7c74cd87d547d40cb272d7e25e777b576f0794/t-okker-vs-t-wilkison |
| 1979-06-29 | W | John Austin | Wimbledon | Grand Slam | R64 | Grass | 7-6 6-4 3-6 6-2 | https://tennis-db.com/matches/sackmann_atp:a767a802909561f983e181793b11bb6e5b687c273dde1e569686474bc9e1e483/t-okker-vs-john-austin |
| 1979-06-27 | W | R. Guedes | Wimbledon | Grand Slam | R128 | Grass | 6-1 7-5 6-1 | https://tennis-db.com/matches/sackmann_atp:3b28e38dd077b841cc21df4d60d8cd1e46c897c87f8594342e435db1d52bdbb5/t-okker-vs-r-guedes |
| 1979-05-26 | L | P. Elter | Munich | ATP 250 | R16 | Clay | 6-7 5-7 | https://tennis-db.com/matches/sackmann_atp:3a39da6127527c6342f15ca3654758127e34d5af0c999bdae69c8beafe050e91/p-elter-vs-t-okker |
| 1979-05-25 | W | A. Munoz | Munich | ATP 250 | R32 | Clay | 4-6 6-3 6-1 | https://tennis-db.com/matches/sackmann_atp:4a0318a9967c85bdb4b170c765f987fb1c4dbb5922fa96d2daee50d3dc740c8b/t-okker-vs-a-munoz |
| 1979-05-16 | L | Peter Mcnamara | Hamburg | ATP 250 | R64 | Clay | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:d7f3509f0bc4050f77fc27811b9fd14bbf4ded0ec59cf99c7747e6510f62eca8/peter-mcnamara-vs-t-okker |
| 1979-04-19 | L | U. Pinner | Houston | ATP 250 | R32 | Clay | 1-6 3-6 | https://tennis-db.com/matches/sackmann_atp:7782ba348270c1a02abc75c756087904b61cdb7eefaa3685f0bfdc717ef79a54/u-pinner-vs-t-okker |
| 1979-04-05 | L | G. Mayer | Rotterdam | ATP 250 | R32 | Carpet | 3-6 5-7 | https://tennis-db.com/matches/sackmann_atp:6d7236b7ec3ce710efbc1a08682fffaf60e0fb43c1307b32a091a3578897d4ee/g-mayer-vs-t-okker |
| 1979-03-01 | L | B. Gottfried | Memphis | ATP 250 | R32 | Carpet | 6-3 1-6 6-7 | https://tennis-db.com/matches/sackmann_atp:8e4e5d07910edbd5303e626c1a46fb8c445630e14182819698da3908030e8d7c/b-gottfried-vs-t-okker |
| 1979-02-28 | W | F. Gonzalez | Memphis | ATP 250 | R64 | Carpet | 7-5 6-3 | https://tennis-db.com/matches/sackmann_atp:b50594a355102d3be4f125d8323dc13a42b24dfc28284a25929a6718e809f301/t-okker-vs-f-gonzalez |
| 1979-02-23 | L | F. Gonzalez | Denver | ATP 250 | R16 | Carpet | 6-7 7-6 5-7 | https://tennis-db.com/matches/sackmann_atp:4554124830b6d7641436db187b4ab1d3bfc18f462b98093b3578720396f41f6f/f-gonzalez-vs-t-okker |
| 1979-02-22 | W | R. Ramirez | Denver | ATP 250 | R32 | Carpet | 6-4 7-6 | https://tennis-db.com/matches/sackmann_atp:4beab433f667df593103e35f1df8966807e6c73b24ea0c013f32c6d26dc1dbff/t-okker-vs-r-ramirez |
| 1979-02-17 | L | B. Gottfried | Rancho Mirage | ATP 250 | QF | Hard | 2-6 0-6 | https://tennis-db.com/matches/sackmann_atp:c0ebfcab14482525d660a7ad3a6f4201288def989dd64eade23f182c159ef697/b-gottfried-vs-t-okker |
| 1979-02-16 | W | B. Manson | Rancho Mirage | ATP 250 | R16 | Hard | 6-4 5-7 6-4 | https://tennis-db.com/matches/sackmann_atp:817c893167de694da7547e9ee74c1478bc7294fe9fc3f599b79d3cc966d8cf6b/t-okker-vs-b-manson |
| 1979-02-15 | W | Stan Smith | Rancho Mirage | ATP 250 | R32 | Hard | 4-6 6-1 6-4 | https://tennis-db.com/matches/sackmann_atp:1e943d619028da040af2aa3d62d7c33ebc9b1379de68510509a7d41347fd0bf1/t-okker-vs-stan-smith |
| 1979-02-14 | W | A. Gimenez | Rancho Mirage | ATP 250 | R64 | Hard | 5-7 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:2459c03f7ec0b4069255d1c9318d2386a908544966e4eda777169aba5858b1c3/t-okker-vs-a-gimenez |
| 1979-01-24 | L | E. Dibbs | Philadelphia | ATP 250 | R64 | Carpet | 4-6 6-7 | https://tennis-db.com/matches/sackmann_atp:c6344c3a836909d41963323415973b88b5dee3514275c27ef103159657232c12/e-dibbs-vs-t-okker |
| 1979-01-18 | L | P. Dupre | Birmingham | ATP 250 | R32 | Carpet | 6-3 6-7 4-6 | https://tennis-db.com/matches/sackmann_atp:5a305843c94dd785862c02c5b27cc3267a171c5ac770483ec2e1e33e01506242/p-dupre-vs-t-okker |
| 1978-11-18 | L | John McEnroe | Wembley | ATP 250 | R16 | Carpet | 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:b141c9d2e50878c3064d32a463866419870e490c16892e9f392d967873b05fec/john-mcenroe-vs-t-okker |
| 1978-11-17 | W | K. Meiler | Wembley | ATP 250 | R32 | Carpet | 6-1 6-3 | https://tennis-db.com/matches/sackmann_atp:e2bbf806d9ad9ee96212861bb5dad9e874cefbca479e494828efa5566a032d83/t-okker-vs-k-meiler |
| 1978-11-11 | L | John McEnroe | Stockholm | ATP 250 | QF | Hard | 3-6 6-7 | https://tennis-db.com/matches/sackmann_atp:8226a07c20ae624cae07c107e33ea21907293b173c91d315b3a3eb6eb86e8fd4/john-mcenroe-vs-t-okker |
| 1978-11-10 | W | A. Panatta | Stockholm | ATP 250 | R16 | Hard | 7-6 6-1 | https://tennis-db.com/matches/sackmann_atp:c73b2dbdff7a50ec5f6a8dba5de192c8bcdaf274c3730ea8af77796bd50b785a/t-okker-vs-a-panatta |
| 1978-11-09 | W | P. Hjertquist | Stockholm | ATP 250 | R32 | Hard | 6-4 4-6 6-1 | https://tennis-db.com/matches/sackmann_atp:45ec5c64a1fe46ae3a08ba134308334f199898adc4b8cae8c3f4d7c2a84f2a8c/t-okker-vs-p-hjertquist |
| 1978-11-08 | W | Ismail El Shafei | Stockholm | ATP 250 | R64 | Hard | 6-3 6-7 6-4 | https://tennis-db.com/matches/sackmann_atp:17bfbd2e3b2c563d72683d94c4e2bbf89fdeceb391d9a2d945772d7abc049203/t-okker-vs-ismail-el-shafei |
| 1978-08-31 | L | Andrew Pattison | US Open | Grand Slam | R128 | Hard | 6-7 6-4 3-6 | https://tennis-db.com/matches/sackmann_atp:c5c56471b1259c40296ae008e5c332e6749feca2511c650e1025d3a7e585500b/andrew-pattison-vs-t-okker |
| 1978-08-24 | L | W. Fibak | Boston | ATP 250 | R32 | Clay | 6-3 1-6 3-6 | https://tennis-db.com/matches/sackmann_atp:d1a0fac609d0885c3156e83960c9420f276277d586caf32ad0e7f14cea308371/w-fibak-vs-t-okker |
| 1978-08-23 | W | Lito Alvarez | Boston | ATP 250 | R64 | Clay | 6-7 6-4 6-1 | https://tennis-db.com/matches/sackmann_atp:c3e97eb0ad05afb5b955ef9f6488096e02434bbf070b2a0a17a30037d5b1696e/t-okker-vs-lito-alvarez |
| 1978-08-19 | L | B. Gottfried | Montreal / Toronto | Masters 1000 | R16 | Clay | 2-6 1-6 | https://tennis-db.com/matches/sackmann_atp:2f6afff17cba92c7fc33e1b5f6768567afccf49c5b8faa2fe71519e5a719cba7/b-gottfried-vs-t-okker |
| 1978-08-17 | W | J. Fillol | Montreal / Toronto | Masters 1000 | R32 | Clay | 4-6 7-6 6-3 | https://tennis-db.com/matches/sackmann_atp:edfa67c5dcba6bb98b240951bf56284a1b82be9b7b27bc30e9c8f4c7e71e50ec/t-okker-vs-j-fillol |
| 1978-07-30 | L | B. Taroczy | Hilversum | ATP 250 | F | Clay | 6-2 1-6 2-6 4-6 | https://tennis-db.com/matches/sackmann_atp:da1aee451647fd9dac61cd6c576f316a1bd5f21994b5b982bcd4caec723da228/b-taroczy-vs-t-okker |
| 1978-07-29 | W | P. Elter | Hilversum | ATP 250 | SF | Clay | 6-4 6-1 6-4 | https://tennis-db.com/matches/sackmann_atp:95c656473e07344146e4dd68c4f5109cd88827c0c1813cc0d84b103648d1990b/t-okker-vs-p-elter |
| 1978-07-29 | W | B. Mottram | Hilversum | ATP 250 | QF | Clay | 7-6 7-5 | https://tennis-db.com/matches/sackmann_atp:d98522bd1f9a6b1190070079404ab86e5043cf1a13b11b51e46c16759a0d67ab/t-okker-vs-b-mottram |
| 1978-07-28 | W | W. Fok | Hilversum | ATP 250 | R16 | Clay | 6-4 6-1 | https://tennis-db.com/matches/sackmann_atp:db11c68552f019860aa4b81d1029dcf69c14ba15702abb7f108ea9d34bc76d24/t-okker-vs-w-fok |
| 1978-07-27 | W | Joaquin Loyo Mayo | Hilversum | ATP 250 | R32 | Clay | 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:7a94cfeba2cb070131f5100e80e7babadb65a0d70516abf3c1903475a8baab63/t-okker-vs-joaquin-loyo-mayo |
| 1978-07-15 | L | J. Clerc | Gstaad | ATP 250 | QF | Clay | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:a57b9618ae51fa33027c30d648383458acc1c01a48ec8bc4bf07bef137963f3c/j-clerc-vs-t-okker |
| 1978-07-14 | W | B. Hewitt | Gstaad | ATP 250 | R16 | Clay | 7-6 6-3 | https://tennis-db.com/matches/sackmann_atp:436b2c6f8b727aa654f17a8367d7115d32cb332d623268f4460c731f8151815d/t-okker-vs-b-hewitt |
| 1978-07-13 | W | C. Kirmayr | Gstaad | ATP 250 | R32 | Clay | 6-3 4-6 7-5 | https://tennis-db.com/matches/sackmann_atp:dbb2db4e78b6ffb91cd62e893b683d7ae746610bc1e6173efdc09a8f31d4952a/t-okker-vs-c-kirmayr |
| 1978-07-09 | L | B. Borg | Wimbledon | Grand Slam | SF | Grass | 4-6 4-6 4-6 | https://tennis-db.com/matches/sackmann_atp:ea76f072aae15424245a92fcf71b8f95ab8b15939374af93ebd83412a089e778/b-borg-vs-t-okker |
| 1978-07-07 | W | I. Nastase | Wimbledon | Grand Slam | QF | Grass | 7-5 6-1 2-6 6-3 | https://tennis-db.com/matches/sackmann_atp:c21ecac862d974107ee4a3513804736dfdacf97d3501681fde3ab398e4c26812/t-okker-vs-i-nastase |
| 1978-07-05 | W | T. Leonard | Wimbledon | Grand Slam | R16 | Grass | 6-1 9-8 6-1 | https://tennis-db.com/matches/sackmann_atp:db0721fc23193b4797c81d1967789a0f7b731abe8d79cf0bdfd4cb624defba78/t-okker-vs-t-leonard |
| 1978-07-02 | W | G. Vilas | Wimbledon | Grand Slam | R32 | Grass | 6-3 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:cd2b0d02386eba8427ff4eb4ac7bdff8558ca196857c52527fef14d824e24a60/t-okker-vs-g-vilas |
| 1978-06-30 | W | Y. Noah | Wimbledon | Grand Slam | R64 | Grass | 6-2 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:e8e956386f2dd5cb1799d0c7336972c4b8e8f396bf02e393e2384460accc1a99/t-okker-vs-y-noah |
| 1978-06-28 | W | O. Parun | Wimbledon | Grand Slam | R128 | Grass | 6-8 6-3 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:e078680c9b35a16b875c9bfcb0352c63b16c28d8cd7e6bbe90d9b596116d345f/t-okker-vs-o-parun |
| 1978-06-22 | L | V. Amaya | Queen's Club | ATP 250 | R32 | Grass | 6-8 5-7 | https://tennis-db.com/matches/sackmann_atp:8f126a125c96c95b75fd0acbbc4c224bb1d12a93da9f9d101f0759a451967c00/v-amaya-vs-t-okker |
| 1978-06-21 | W | A. Zugarelli | Queen's Club | ATP 250 | R64 | Grass | 9-8 6-4 | https://tennis-db.com/matches/sackmann_atp:2d1f412c9a86466a30098959cac196647e07f3e4e9b841064fa9420b8916c340/t-okker-vs-a-zugarelli |
| 1978-05-31 | L | M. Orantes | Roland Garros | Grand Slam | R128 | Clay | 6-3 3-6 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:42bb09f59e400254e2aa682f4f5b4be8a895b594897cb551cdc52d149556aacf/m-orantes-vs-t-okker |
| 1978-05-26 | L | Z. Franulovic | Munich | ATP 250 | R32 | Clay | 5-7 1-6 | https://tennis-db.com/matches/sackmann_atp:7134273cba773c6725956c0085a7643697ed3b910f6819a4e04c906a672d0838/z-franulovic-vs-t-okker |
| 1978-05-17 | L | E. Deblicker | Hamburg | ATP 250 | R64 | Clay | 4-6 6-4 5-7 | https://tennis-db.com/matches/sackmann_atp:df753044c6e0a85395309d552ca3d6e019d8c7365d29e642b8a132bde97619c8/e-deblicker-vs-t-okker |
| 1978-04-27 | L | C. Dibley | Las Vegas | ATP 250 | R32 | Hard | 6-7 6-3 4-6 | https://tennis-db.com/matches/sackmann_atp:078712347206852547e95c805ef5faaa33d010a8bad35e4077e34c9657902cbb/c-dibley-vs-t-okker |
| 1978-04-21 | L | C. Barazzutti | Houston Wct | ATP 250 | R16 | Clay | 3-6 3-6 | https://tennis-db.com/matches/sackmann_atp:da0e509cede76f11d4c2a838510988e4ef58858b9c82397e5b669bc4b87c33db/c-barazzutti-vs-t-okker |
| 1978-04-20 | W | T. Leonard | Houston Wct | ATP 250 | R32 | Clay | 6-1 6-0 | https://tennis-db.com/matches/sackmann_atp:a3c9aa20f8343dc5726926ffa2689885ca361c8454e5bd8ed6bd618cb1f3a197/t-okker-vs-t-leonard |
| 1978-04-06 | L | V. Amritraj | Rotterdam Wct | ATP 250 | R32 | Carpet | 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:cb7314c6e6cb529385abbef3b34de6f072d96bcdbf3577ab399eb39192739f9f/v-amritraj-vs-t-okker |
| 1978-02-15 | L | B. Scanlon | St. Louis Wct | ATP 250 | R32 | Carpet | 4-6 7-5 4-6 | https://tennis-db.com/matches/sackmann_atp:db942c3d71fda1724ed64beac4a77b92270d68e19e927041494f398ba0ba2a30/b-scanlon-vs-t-okker |
| 1978-02-15 | L | E. Dibbs | Palm Springs | ATP 250 | R64 | Hard | 7-6 1-6 4-6 | https://tennis-db.com/matches/sackmann_atp:0465c05350126ec4d6b15c5a922d5c7a9da94d4b7b92c92428d1892e44d77bba/e-dibbs-vs-t-okker |
| 1978-02-02 | L | B. Borg | Richmond Wct | ATP 250 | R32 | Carpet | 3-6 7-5 1-6 | https://tennis-db.com/matches/sackmann_atp:e445fb631411e56289af0c538f9b697ff248af5cab0783ef6f8119843399ccff/b-borg-vs-t-okker |
| 1978-01-26 | L | B. Borg | Philadelphia Wct | ATP 250 | R32 | Carpet | 2-6 1-6 | https://tennis-db.com/matches/sackmann_atp:1d9acab607eb9ed6871e010b824946aa65e3a3162cb88ec3c637ef9087e48b5b/b-borg-vs-t-okker |
| 1978-01-25 | W | B. Scanlon | Philadelphia Wct | ATP 250 | R64 | Carpet | 2-6 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:63eae4ee6def9015a799ed58b7a14f4683ab7135df0f899935e196935eb2e1b7/t-okker-vs-b-scanlon |
| 1978-01-12 | L | B. Gottfried | Birmingham Wct | ATP 250 | R32 | Carpet | 1-6 4-6 | https://tennis-db.com/matches/sackmann_atp:baa285c839a3b2bd2dff55db79c69293c236df59c8aa686dd49c39c9683b85ad/b-gottfried-vs-t-okker |
| 1977-11-19 | L | R. Ramirez | Wembley | ATP 250 | QF | Hard | 4-6 2-6 | https://tennis-db.com/matches/sackmann_atp:a656af6d164ed30091c20c840ac259979c646316107663b6d79cff7f2916feef/r-ramirez-vs-t-okker |
| 1977-11-18 | W | Bob Lutz | Wembley | ATP 250 | R16 | Hard | 7-5 6-3 | https://tennis-db.com/matches/sackmann_atp:59edeede174b54dcc1d639913a18de3ce89942009445d43de53e0f8081f81af8/t-okker-vs-bob-lutz |
| 1977-11-17 | W | Erik Van Dillen | Wembley | ATP 250 | R32 | Hard | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:233ae384f3b7aae6252cebeaa5be4b47699ab40ca7bd28a1ae733b5233f5dfe3/t-okker-vs-erik-van-dillen |
| 1977-11-10 | L | W. Fibak | Stockholm | ATP 250 | R16 | Hard | 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:17c54a321642be249016ed3502dcf49888856f6feab22263b189a9aab92e86cb/w-fibak-vs-t-okker |
| 1977-11-09 | W | Anand Amritraj | Stockholm | ATP 250 | R32 | Hard | 6-2 6-1 | https://tennis-db.com/matches/sackmann_atp:b3a4d2d68cd180d99c47347858163133f019c67f0ca5b6cc9aa418071ec68dde/t-okker-vs-anand-amritraj |
| 1977-11-08 | W | Fred Mcnair | Stockholm | ATP 250 | R64 | Hard | 7-6 4-6 7-5 | https://tennis-db.com/matches/sackmann_atp:9b9e5da62032fb134c622823eb6d8fce2f428487260a23c78152913a3e72d7aa/t-okker-vs-fred-mcnair |
| 1977-11-04 | L | H. Kary | Cologne | ATP 250 | R16 | Carpet | 2-6 6-2 2-6 | https://tennis-db.com/matches/sackmann_atp:e22564b5ad9f406e482d43e9a7049bd57acab1add73c2ca9ce061ea6e9ada15a/h-kary-vs-t-okker |
| 1977-11-03 | W | F. McMillan | Cologne | ATP 250 | R32 | Carpet | 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:8056fd83a21a2a66e14bd1a4867131a25b53eba18d608efceab80a458ad5970f/t-okker-vs-f-mcmillan |
| 1977-06-29 | L | I. Nastase | Wimbledon | Grand Slam | R16 | Grass | 8-6 4-6 4-6 4-6 | https://tennis-db.com/matches/sackmann_atp:116bd06af7d9936c7c4db8b732b5c07e26f05e62dd7e384ab54ed992b6dc1cdb/i-nastase-vs-t-okker |
| 1977-06-26 | W | A. Stone | Wimbledon | Grand Slam | R32 | Grass | 4-6 2-6 9-8 7-5 6-4 | https://tennis-db.com/matches/sackmann_atp:728c028bbe12c5c1ad0283702b1ef85f08bde5b3ceaa4b2df14a52c591c89457/t-okker-vs-a-stone |
| 1977-06-24 | W | S. Docherty | Wimbledon | Grand Slam | R64 | Grass | 8-9 7-5 6-3 7-5 | https://tennis-db.com/matches/sackmann_atp:a1daa9c9139c5fdbd7784c87388139946ded3a562941760d557a563317e4becf/t-okker-vs-s-docherty |
| 1977-06-22 | W | R. Case | Wimbledon | Grand Slam | R128 | Grass | 6-2 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:aa4471eb13dfca607a1c07f282357ad9a9ced0e7a45f5d07159b0edf52439a8e/t-okker-vs-r-case |
| 1977-04-24 | L | C. Barazzutti | Charlotte Wct | ATP 250 | QF | Carpet | 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:4e53c2c675becb45c60d870396a892d72b227e64b0b22dd4eebfb3e8011c1f89/c-barazzutti-vs-t-okker |
| 1977-04-23 | W | D. Stockton | Charlotte Wct | ATP 250 | R16 | Carpet | 3-6 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:c97048fa7d366ea0b5e0e47310bf20187093168a26965cfd07cdfb3aaa64d709/t-okker-vs-d-stockton |
| 1977-04-08 | L | C. Barazzutti | Monte Carlo Wct | ATP 250 | R16 | Clay | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:4d59e9b076d930b23a5f6ae8d8513a72cb31f0213a339ec93c42bdc24015aa36/c-barazzutti-vs-t-okker |
| 1977-04-01 | L | I. Nastase | London Wct | ATP 250 | R16 | Hard | 6-7(5) 4-6 | https://tennis-db.com/matches/sackmann_atp:52bb5aff1eb2fbf07c1c27db7f7cb112458c414bf3c5c73ae5ecd9f5e6aca7c7/i-nastase-vs-t-okker |
| 1977-03-25 | L | M. Cox | Rotterdam | ATP 250 | R16 | Carpet | 3-6 6-4 3-6 | https://tennis-db.com/matches/sackmann_atp:d38001f6dcbf7adee33fe0e7eaccb39e04780c478dd1994ae2521a574e74be78/m-cox-vs-t-okker |
| 1977-02-21 | L | D. Stockton | Toronto Indoor Wct | ATP 250 | SF | Carpet | 4-6 2-6 | https://tennis-db.com/matches/sackmann_atp:e5cc7eb7816023a3622deb4c60b7e93d096e6fa3682ae194d79d4429d004206f/d-stockton-vs-t-okker |
| 1977-02-21 | W | T. Roche | Toronto Indoor Wct | ATP 250 | QF | Carpet | 7-5 1-6 6-3 | https://tennis-db.com/matches/sackmann_atp:de4414ba70014874b6bdfb6e04b5357c3ba0ef87b42a1a3bc5ae5e403434c4ed/t-okker-vs-t-roche |
| 1977-02-20 | W | H. Solomon | Toronto Indoor Wct | ATP 250 | R16 | Carpet | 6-3 0-6 6-4 | https://tennis-db.com/matches/sackmann_atp:5766095da41260cfa5d95ea4d4ba0da7b3a02109c4e01f5228d5ae879751d6bc/t-okker-vs-h-solomon |
| 1977-02-11 | L | K. Rosewall | Mexico City Wct | ATP 250 | R16 | Hard | 4-6 0-6 | https://tennis-db.com/matches/sackmann_atp:5d3a3b6b09c76adc7f36b31e440b4f6c4544796ef2dfcacaaa91fa33d97e54d8/k-rosewall-vs-t-okker |
| 1977-02-06 | W | V. Gerulaitis | Richmond Wct | ATP 250 | F | Carpet | 3-6 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:64d6d2e94d901fa528921003baff87444a40cf436f18e6be564aa903bfd938f7/t-okker-vs-v-gerulaitis |
| 1977-02-05 | W | T. Roche | Richmond Wct | ATP 250 | SF | Carpet | 6-1 7-5 | https://tennis-db.com/matches/sackmann_atp:6be48943dc1bd78c9e1171bdc322adcf8b2db096bb84f98988a722e3afd4a7ab/t-okker-vs-t-roche |
| 1977-02-05 | W | M. Orantes | Richmond Wct | ATP 250 | QF | Carpet | 7-6(4) 6-2 | https://tennis-db.com/matches/sackmann_atp:88ec0397a37cbfaeabb2af935e058e585daa1fb49020b4cfbfaa803deefd615a/t-okker-vs-m-orantes |
| 1977-02-04 | W | O. Parun | Richmond Wct | ATP 250 | R16 | Carpet | 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:a27f0a8d00aabfe00ee4999cff3d0b71028b25297d85488e1ea2c1bae5b24d4b/t-okker-vs-o-parun |
| 1977-01-26 | L | J. Borowiak | Philadelphia Wct | ATP 250 | R64 | Carpet | 3-6 6-3 3-6 | https://tennis-db.com/matches/sackmann_atp:b077d2d8e95c18b169aff5efa3a5670567dd43dd5a094dff2b3a76d96267f0ad/j-borowiak-vs-t-okker |
| 1977-01-20 | L | G. Mayer | Baltimore | ATP 250 | R32 | Carpet | 6-3 3-6 4-6 | https://tennis-db.com/matches/sackmann_atp:d79b9a86a8fe7df8d0f995947c314a6394b408cb5294d41a2e944b59f2188c85/g-mayer-vs-t-okker |
| 1977-01-16 | L | C. Drysdale | Birmingham Wct | ATP 250 | R16 | Carpet | 1-6 5-7 | https://tennis-db.com/matches/sackmann_atp:1d716e94dcff47ad2cb2d23f0c4ea316f21b154babbb56e28c8ae150cdd3264e/c-drysdale-vs-t-okker |
| 1976-11-20 | L | R. Tanner | Wembley | ATP 250 | QF | Carpet | 1-6 4-6 | https://tennis-db.com/matches/sackmann_atp:588c6986d95f11f28fcf19a378d5f039585f7bf9defa6903d24c0435ef45fca7/r-tanner-vs-t-okker |
| 1976-11-19 | W | C. Dibley | Wembley | ATP 250 | R16 | Carpet | 6-2 7-6 | https://tennis-db.com/matches/sackmann_atp:7aaa4d090dc3bdd94106e1c9746014e1a2982ec3653c941a454719192ed5924a/t-okker-vs-c-dibley |
| 1976-11-18 | W | M. Orantes | Wembley | ATP 250 | R32 | Carpet | 6-3 3-6 6-3 | https://tennis-db.com/matches/sackmann_atp:2ef18dc294e006ff25544565ded2b23cbcd706958b5905087721c36dc4f1386c/t-okker-vs-m-orantes |
| 1976-11-11 | L | R. Ramirez | Stockholm | ATP 250 | R16 | Hard | 6-7 1-6 | https://tennis-db.com/matches/sackmann_atp:1df23542473f4fe655b6a28db4778a9e15b60b4ff2f81e632522cd397972ccc3/r-ramirez-vs-t-okker |
| 1976-11-10 | W | R. Norberg | Stockholm | ATP 250 | R32 | Hard | 6-4 4-6 6-2 | https://tennis-db.com/matches/sackmann_atp:90cae381eb5d96f56881f906094c72f6e8d3d72e49fe8e0f3baff59d4f037e32/t-okker-vs-r-norberg |
| 1976-11-09 | W | J. Zabrodsky | Stockholm | ATP 250 | R64 | Hard | 6-2 7-6 | https://tennis-db.com/matches/sackmann_atp:7d4466b4e02f5bafe81bf8cef2a9d647f03510ac45fb5dc54125faf927b420cb/t-okker-vs-j-zabrodsky |
| 1976-10-30 | L | J. Fillol | Paris Indoor | ATP 250 | QF | Hard | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:68d67565ca9c31c43cf5070e91a6a3f2e09119a599c56ab07aea82dc91a539f6/j-fillol-vs-t-okker |
| 1976-10-29 | W | Z. Franulovic | Paris Indoor | ATP 250 | R16 | Hard | 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:56889d25cb17a6f628bb8b4be7d31710d75bd91b01b95fc20064030dc376c658/t-okker-vs-z-franulovic |
| 1976-10-28 | W | Jairo Velasco | Paris Indoor | ATP 250 | R32 | Hard | 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:66e4904b9dba25a1f90bff4ad1fc3acf3efa69e674df006044987220d64601b7/t-okker-vs-jairo-velasco |
| 1976-10-15 | L | M. Orantes | Madrid | ATP 250 | R16 | Clay | 1-6 2-6 | https://tennis-db.com/matches/sackmann_atp:22f8d05cf3220210d97784aee791687a169bfe2dd77226b97e0cf4fc82c5c073/m-orantes-vs-t-okker |
| 1976-10-14 | W | R. Norberg | Madrid | ATP 250 | R32 | Clay | 6-3 1-6 6-4 | https://tennis-db.com/matches/sackmann_atp:058b0b309341d71c3b29fcdd71b6adf6308c2e086054f28f7738a4db09c5068d/t-okker-vs-r-norberg |
| 1976-10-13 | W | J Cabeza | Madrid | ATP 250 | R64 | Clay | 6-3 6-3 | https://tennis-db.com/matches/sackmann_atp:0b0885fda31dcddb59f568929a0b53a7c489b62f436fb100c6f270018f0d5f01/t-okker-vs-j-cabeza |
| 1976-10-09 | L | Z. Franulovic | Aviles | ATP 250 | QF | Clay | 7-5 2-6 4-6 | https://tennis-db.com/matches/sackmann_atp:746147016914584c7f6e69f75edfdfbf8a175ecc78ab0fd5fb884b4f8acad14a/z-franulovic-vs-t-okker |
| 1976-10-08 | W | A. Pierola | Aviles | ATP 250 | R16 | Clay | 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:a0be160cab3643c31be4cbe5d8d7fce6ab5824e075231ccc08fb5a58e2fd3858/t-okker-vs-a-pierola |
| 1976-10-07 | W | J. Norback | Aviles | ATP 250 | R32 | Clay | 6-2 4-6 6-3 | https://tennis-db.com/matches/sackmann_atp:aeba18c1d5e1268a6a2f026ca10a074b446a4d1be095c2d22d6ac9e793d288b0/t-okker-vs-j-norback |
| 1976-09-07 | L | B. Gottfried | US Open | Grand Slam | R32 | Clay | 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:2f6b1d9f5ea82b94b914203743ac3e5138b8904c153b11b19ae6cf5256f79a10/b-gottfried-vs-t-okker |
| 1976-09-05 | W | J. Higueras | US Open | Grand Slam | R64 | Clay | 6-3 7-5 | https://tennis-db.com/matches/sackmann_atp:48aa8d8d8e6063b3f485f6f5b9f90121ed06c93e36d3619d0e70635f23b90aca/t-okker-vs-j-higueras |
| 1976-09-03 | W | N. Spear | US Open | Grand Slam | R128 | Clay | 6-3 6-3 | https://tennis-db.com/matches/sackmann_atp:1ad78b551a381adf5d6fe00d1fff982f051bd3fa2db8d019e58f7550e5fc6530/t-okker-vs-n-spear |
| 1976-06-27 | L | P. Dent | Wimbledon | Grand Slam | R32 | Grass | 4-6 8-9 4-6 | https://tennis-db.com/matches/sackmann_atp:91ceb4682e59816c4ad4c3b25b1ddd4b11dca873f7908ef2236853a45a548c7d/p-dent-vs-t-okker |
| 1976-06-25 | W | V. Amaya | Wimbledon | Grand Slam | R64 | Grass | 9-7 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:7b5ddd162d7a818705510c1b8951d439a49916236e7ef0abba10d184557b52e1/t-okker-vs-v-amaya |
| 1976-06-23 | W | S. Mayer | Wimbledon | Grand Slam | R128 | Grass | 6-3 6-2 6-4 | https://tennis-db.com/matches/sackmann_atp:047756d3441f9446f1e2a59b711a47928b3e6c9c33dfd1fd0263dd2e652aeb52/t-okker-vs-s-mayer |
| 1976-06-20 | L | J. Connors | Nottingham | ATP 250 | QF | Grass | 2-6 4-6 | https://tennis-db.com/matches/sackmann_atp:cccd2f64ef2f8d405cd36cfe597bb6298c15b89ea8958e8bf694be6f9538f8dd/j-connors-vs-t-okker |
| 1976-06-19 | W | Bob Lutz | Nottingham | ATP 250 | R16 | Grass | 6-1 7-5 | https://tennis-db.com/matches/sackmann_atp:ebe7053902b23f7a93ec5a15773766a9296f3d77c5116d5299c4d4146928fedf/t-okker-vs-bob-lutz |
| 1976-06-18 | W | R. Drysdale | Nottingham | ATP 250 | R32 | Grass | 6-0 6-0 | https://tennis-db.com/matches/sackmann_atp:a1cf8f1f62f1941796bc3da1f6a42f64c8b970f35ae3e9dba04f99f966aedbbd/t-okker-vs-r-drysdale |
| 1976-06-17 | W | C. Pasarell | Nottingham | ATP 250 | R64 | Grass | 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:7c2091e3acce65eed5e09e6b528e01d24842513fb49c0ac6f7ab10281fccbca4/t-okker-vs-c-pasarell |
| 1976-04-25 | L | W. Fibak | Stockholm - Wct | ATP 250 | SF | Carpet | 4-6 5-7 | https://tennis-db.com/matches/sackmann_atp:334b7bcdec486eac8aa109e2582f3b2f48a2745b4528fee1c3f8dcebabebd72f/w-fibak-vs-t-okker |
| 1976-04-25 | W | Alex Metreveli | Stockholm - Wct | ATP 250 | QF | Carpet | 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:6c71d84250be9b9b84b805d99f204fb2a7e99a24230946bc194cccca04ac09bf/t-okker-vs-alex-metreveli |
| 1976-04-24 | W | D. Crealy | Stockholm - Wct | ATP 250 | R16 | Carpet | 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:dc6ad4cda8fac5db4a18e79507d912f9790f485b68b3a5c1abf47c31268009d2/t-okker-vs-d-crealy |
| 1976-04-10 | L | O. Parun | Johannesburg Wct | ATP 250 | SF | Hard | 2-6 4-6 | https://tennis-db.com/matches/sackmann_atp:2f2ea97442801da21d5bc990ee59c096b4f33be1eddbe26a3ed29a353833e7fb/o-parun-vs-t-okker |
| 1976-04-10 | W | G. Masters | Johannesburg Wct | ATP 250 | QF | Hard | 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:f4eda98a996317c06276b4fc25fe3ec644851a2301ab2f21bcfab326ad2d5fe2/t-okker-vs-g-masters |
| 1976-04-09 | W | F. McMillan | Johannesburg Wct | ATP 250 | R16 | Hard | 7-6 3-6 7-6 | https://tennis-db.com/matches/sackmann_atp:63e393095199d21ad1ed3147ac5e6454e0c5ed965e14f90777802d27b099025e/t-okker-vs-f-mcmillan |
| 1976-03-06 | L | J. Hrebec | Basel | ATP 250 | SF | Carpet | 1-6 6-1 4-6 | https://tennis-db.com/matches/sackmann_atp:76dddc42526bcdc7f33d47edad365ab0d17e8fec6bbcf59ad82790fdf6ce249f/j-hrebec-vs-t-okker |
| 1976-03-06 | W | Paul Kronk | Basel | ATP 250 | QF | Carpet | 7-5 7-5 | https://tennis-db.com/matches/sackmann_atp:8cab39cdbff2062ce6ec8bdcd889e18978a57dc20f9f1a01557200a18e925a44/t-okker-vs-paul-kronk |
| 1976-03-05 | W | Lito Alvarez | Basel | ATP 250 | R16 | Carpet | 7-5 6-2 | https://tennis-db.com/matches/sackmann_atp:25997a487128d0ba37e6dc1998ce6b9e5976db1f76bc197553db68bbdaf31584/t-okker-vs-lito-alvarez |
| 1976-02-28 | L | Bob Lutz | Rotterdam Wct | ATP 250 | SF | Carpet | 4-6 6-4 4-6 | https://tennis-db.com/matches/sackmann_atp:18e956a06a0308f73aae6a514f7d21c22b2a2df832181a6287788e4e1bb1a6ac/bob-lutz-vs-t-okker |
| 1976-02-28 | W | W. Fibak | Rotterdam Wct | ATP 250 | QF | Carpet | 6-1 6-4 | https://tennis-db.com/matches/sackmann_atp:c253250e472a991b150c6a13071687498b6668d18659c7119ca6ce3c7914e94b/t-okker-vs-w-fibak |
| 1976-02-27 | W | F. McMillan | Rotterdam Wct | ATP 250 | R16 | Carpet | 7-5 6-2 | https://tennis-db.com/matches/sackmann_atp:adf71147b851183e4df307aee23567a88b67c6dad42ad79d1c6993d157e88551/t-okker-vs-f-mcmillan |
| 1976-02-22 | L | D. Stockton | Rome Wct | ATP 250 | QF | Clay | 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:61f737a10e86e0e3ab1c7abb65771358c8433ab36b80807c3bb7d0356e49d0b2/d-stockton-vs-t-okker |
| 1976-02-21 | W | Erik Van Dillen | Rome Wct | ATP 250 | R16 | Clay | 6-3 6-3 | https://tennis-db.com/matches/sackmann_atp:45478ebf6dacbd05b0442fd104078ff098aa4b4e83f134b3f826509613f9051c/t-okker-vs-erik-van-dillen |
| 1976-02-14 | L | K. Meiler | Lagos Wct | ATP 250 | R16 | Clay | 3-6 3-6 | https://tennis-db.com/matches/sackmann_atp:5d23cf1f2bc68704c06af5064e2b6cb215775ed6b18c051c6bcf193842fee6cb/k-meiler-vs-t-okker |
| 1976-02-09 | L | B. Gottfried | Richmond Wct | ATP 250 | SF | Carpet | 1-6 4-6 | https://tennis-db.com/matches/sackmann_atp:fc064d0d03726de780c077696a3b29db3f46c869d3cd8ba4e5248ca71abcc8fb/b-gottfried-vs-t-okker |
| 1976-02-09 | W | G. Masters | Richmond Wct | ATP 250 | QF | Carpet | 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:c72b299043bd58243bc8a1e85e4cf72a2910f1e8ec1fc54854a937a009d6f032/t-okker-vs-g-masters |
| 1976-02-08 | W | M. Riessen | Richmond Wct | ATP 250 | R16 | Carpet | 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:e753e41515c6656e923670358c5f492dcbdb667d9ba1224258c1752756481571/t-okker-vs-m-riessen |
| 1976-01-31 | L | B. Borg | Philadelphia Wct | ATP 250 | SF | Carpet | 2-6 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:6f1f230e743caa0ec4fc2de5b91a56a060e761a1363cd3af39bf06f12de89301/b-borg-vs-t-okker |
| 1976-01-31 | W | E. Dibbs | Philadelphia Wct | ATP 250 | QF | Carpet | 6-2 2-6 6-2 | https://tennis-db.com/matches/sackmann_atp:8844fece8f1b4f333c92e5c8ef3e43fd6324ec93d443e56786e3eb6b350c654e/t-okker-vs-e-dibbs |
| 1976-01-30 | W | A. Stone | Philadelphia Wct | ATP 250 | R16 | Carpet | 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:ccd4ae02efbf32040a464de7767ea25742f3c37667e9885488f24e82448bd9f3/t-okker-vs-a-stone |
| 1976-01-29 | W | J. Hrebec | Philadelphia Wct | ATP 250 | R32 | Carpet | 6-3 6-7(5) 6-4 | https://tennis-db.com/matches/sackmann_atp:2993bd1b2547021a01d8b295bc2bcdafd733e3fb609362bb2cb0ca4ab0dc56dd/t-okker-vs-j-hrebec |
| 1976-01-28 | W | C. Richey | Philadelphia Wct | ATP 250 | R64 | Carpet | 6-4 7-6(5) | https://tennis-db.com/matches/sackmann_atp:d3e94649895d85a5cee05e86c87212b875b03cc7b29924b4c4d2a0ed47f8d040/t-okker-vs-c-richey |
| 1976-01-16 | L | R. Ruffels | Indianapolis Wct | ATP 250 | R16 | Carpet | 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:f202c5b9c220fbe055d475335163a39b235111a13df57ac1b46ed9db0c86e7ff/r-ruffels-vs-t-okker |
| 1976-01-12 | L | C. Drysdale | Columbus Wct | ATP 250 | QF | Carpet | 6-3 6-7(5) 6-7(5) | https://tennis-db.com/matches/sackmann_atp:6debbbc3da70890bf40bdf590210f5308adb64f0abee66e376bd6c344be25674/c-drysdale-vs-t-okker |
| 1976-01-11 | W | B. Martin | Columbus Wct | ATP 250 | R16 | Carpet | 6-4 7-5 | https://tennis-db.com/matches/sackmann_atp:5763ece0da02aaded347e7b39e0ebd3758acf629474211b982529342464b4503/t-okker-vs-b-martin |
| 1975-11-15 | L | T. Gorman | Hong Kong | ATP 250 | QF | Hard | 4-6 4-6 | https://tennis-db.com/matches/sackmann_atp:bf3237f6a5e3de245ad224bd9625726719b1ed1dbb0f95befeec1c2f41c69761/t-gorman-vs-t-okker |
| 1975-11-14 | W | S. Ball | Hong Kong | ATP 250 | R16 | Hard | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:07f854e98ed42824f353c356f8dd46574296452a03ce61116bce814e04f18526/t-okker-vs-s-ball |
| 1975-11-13 | W | R. Fisher | Hong Kong | ATP 250 | R32 | Hard | 3-6 6-2 6-1 | https://tennis-db.com/matches/sackmann_atp:996ca50e15d8971c9186a9616973b88000bf3a1078b3ff61b223040edc236a6a/t-okker-vs-r-fisher |
| 1975-11-10 | L | J. Connors | Stockholm | ATP 250 | R16 | Hard | 4-6 2-6 | https://tennis-db.com/matches/sackmann_atp:57c68a27481ae318d2623c9f5f67d2ddc8daa97aab323c98e1edc222833af12f/j-connors-vs-t-okker |
| 1975-11-09 | W | F. Pala | Stockholm | ATP 250 | R32 | Hard | 6-3 6-3 | https://tennis-db.com/matches/sackmann_atp:aaeb6d2333851a25294ba15bd2c17498583c5dc022cb29d4fa8ecbba54e624b2/t-okker-vs-f-pala |
| 1975-11-08 | W | G. Hardie | Stockholm | ATP 250 | R64 | Hard | 6-2 7-5 | https://tennis-db.com/matches/sackmann_atp:3fe5508253f338269410ff0605a6dc7a6e38e2a6cb2ef7a160b7c2aae3408456/t-okker-vs-g-hardie |
| 1975-11-02 | W | A. Ashe | Paris Indoor | ATP 250 | F | Hard | 6-3 2-6 6-3 3-6 6-4 | https://tennis-db.com/matches/sackmann_atp:8e2cb4425981a0c1935d7d3b4a0f26403fd6a3f3eb49689fc501fd48dd6a55e9/t-okker-vs-a-ashe |
| 1975-11-01 | W | R. Moore | Paris Indoor | ATP 250 | SF | Hard | 6-3 6-0 6-3 | https://tennis-db.com/matches/sackmann_atp:cbb9060ad474700908692d41b30403b5373f6e33c602a77bf0469e4020748b29/t-okker-vs-r-moore |
| 1975-11-01 | W | J. Fillol | Paris Indoor | ATP 250 | QF | Hard | 6-1 6-4 | https://tennis-db.com/matches/sackmann_atp:20bcdc27879ebad12ed948d3c9129c397a4b523a421700d0e5cbace60661e4f3/t-okker-vs-j-fillol |
| 1975-10-31 | W | W. Fibak | Paris Indoor | ATP 250 | R16 | Hard | 7-5 7-5 | https://tennis-db.com/matches/sackmann_atp:882739e01a1db71120da39ade37f21cd93f306de1f99395d62529e099813b1f2/t-okker-vs-w-fibak |
| 1975-10-30 | W | A. Panatta | Paris Indoor | ATP 250 | R32 | Hard | 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:7befb190a4f65e94089aad3b4ec87c6fbde9555d761d230fe533a4c80a986e07/t-okker-vs-a-panatta |
| 1975-08-31 | L | B. Taroczy | US Open | Grand Slam | R64 | Clay | 3-6 4-6 | https://tennis-db.com/matches/sackmann_atp:fe4dd7085b8cf92a912a8a4534f08241f002626af3e9f88c8b062b30c879a182/b-taroczy-vs-t-okker |
| 1975-08-29 | W | J. Fassbender | US Open | Grand Slam | R128 | Clay | 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:f0ea093fbcbb1e63a3ad16587b6b0ba3c3125d5f6dac85af7e2a5b8ab8e79595/t-okker-vs-j-fassbender |

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Canonical URL: https://tennis-db.com/players/4575675/t-okker/matches
Data source: TennisDB (tennis-db.com)