# T. Koch Match Log

Source: https://tennis-db.com/players/4463470/t-koch/matches
Tour: ATP
Rows on canonical first page: 200
Total matching rows: 357
Main-draw summary: 200-157 (56.0%)

## Visible match rows
| Date | Result | Opponent | Tournament | Category | Round | Surface | Score | Match URL |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1983-11-25 | L | F. Roese | Bahia | ATP 250 | R16 | Hard | 5-7 4-6 | https://tennis-db.com/matches/sackmann_atp:1c5cc6d23303c530cbe572cce845f5c4b825a0ebf92795ce5126636a1ed39c1d/f-roese-vs-t-koch |
| 1983-11-24 | W | Javier Restrepo | Bahia | ATP 250 | R32 | Hard | 6-3 6-2 | https://tennis-db.com/matches/sackmann_atp:b527441ce3a772aaac5148e4bdb012290da47df1509ee332aeb14b5c8242e727/t-koch-vs-javier-restrepo |
| 1982-11-25 | L | C. Kirmayr | Bahia | ATP 250 | R32 | Carpet | 6-7 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:3aaf39c0fa0477f5e2d7777c5dbb93351d41b9c6ec9a81fcd3886acae55c4e81/c-kirmayr-vs-t-koch |
| 1982-09-23 | L | K. Curren | Los Angeles-2 Wct | ATP 250 | R32 | Carpet | 1-6 5-7 | https://tennis-db.com/matches/sackmann_atp:cf1152f0ed7cc0b6d70ec86ce81059789a0c2b565bea8ed2bd847c1433e667e8/k-curren-vs-t-koch |
| 1982-05-04 | L | R. Frawley | Forest Hills Wct | ATP 250 | R64 | Clay | 4-6 1-6 | https://tennis-db.com/matches/sackmann_atp:a654456b27adae6d765d8d4f4496159afeb96beb8f02cc2a6344e42315e8198d/r-frawley-vs-t-koch |
| 1982-04-30 | L | C. Lewis | Hilton Head Wct | ATP 250 | R32 | Clay | 0-6 5-7 | https://tennis-db.com/matches/sackmann_atp:4beade46b00647deebd91fc106a025c343aa005ac0b5bbca3368dfb064662cfc/c-lewis-vs-t-koch |
| 1982-01-22 | L | M. Hocevar | Guaruja | ATP 250 | R16 | Clay | 6-4 3-6 0-6 | https://tennis-db.com/matches/sackmann_atp:5eb7c64d3dc81fd3a1b20f9e8f41c272d598944de4cb1c88d286352995d2cfa0/m-hocevar-vs-t-koch |
| 1982-01-21 | W | P. Dupre | Guaruja | ATP 250 | R32 | Clay | 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:cd65353ad0b8c277bee2e0e3e173e822410af3a5ee791ffa6979d88bf72ea180/t-koch-vs-p-dupre |
| 1981-05-07 | L | B. Teacher | Forest Hills Wct | ATP 250 | R32 | Clay | 3-6 3-6 | https://tennis-db.com/matches/sackmann_atp:edf11db8cc0c261972be4e880e4342f3fd30e03c1becf78b97adf6e938a82797/b-teacher-vs-t-koch |
| 1981-01-22 | L | R. Cano | Guaruja | ATP 250 | R32 | Hard | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:af0fcc748250af62c970308c194763843b0a2c5e6f09eb9dcdd41b21d8a136b0/r-cano-vs-t-koch |
| 1980-11-28 | L | G. Vilas | Johannesburg | ATP 250 | R32 | Hard | 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:181f79da8f82dc6dd400a8e222d707d4ac49533b6b7af3079660772b6a7f1f2c/g-vilas-vs-t-koch |
| 1980-11-21 | L | J. Clerc | Buenos Aires | ATP 250 | R16 | Clay | 6-1 2-6 1-6 | https://tennis-db.com/matches/sackmann_atp:b3f94232cb6d614597b9f00f4a589ee25ebb27ca8ab62d5da0df424fc3d52215/j-clerc-vs-t-koch |
| 1980-11-20 | W | R. Carruthers | Buenos Aires | ATP 250 | R32 | Clay | 7-6 6-3 | https://tennis-db.com/matches/sackmann_atp:e92dfa7a7bf6e5c54b3d71cc7634d2b801c31138c0e3d86897e9dc325f879395/t-koch-vs-r-carruthers |
| 1980-06-25 | L | J. Fitzgerald | Wimbledon | Grand Slam | R128 | Grass | 6-7 7-6 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:8b2fe5cfdfd21d43e4001c0ae06eb58ee29b14f6771a039d9ca0ad86c39517c0/j-fitzgerald-vs-t-koch |
| 1980-06-20 | L | B. Gottfried | Surbiton | ATP 250 | R16 | Grass | 3-6 4-6 | https://tennis-db.com/matches/sackmann_atp:76a5ca74146564d976af511dc97dc4f1376d5cf07fda11f5079c64e48c51b17d/b-gottfried-vs-t-koch |
| 1980-06-19 | W | B. Mitton | Surbiton | ATP 250 | R32 | Grass | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:6c54c4cd9d82d497196ed356a84742df9e651e922e7c8a2cdbe11244226ffadf/t-koch-vs-b-mitton |
| 1980-06-11 | L | P. Dent | Queen's Club | ATP 250 | R64 | Grass | 4-6 7-6 2-6 | https://tennis-db.com/matches/sackmann_atp:52da98f196554cb99222bb51610b4ac10e4b8604ae10133fc71633e3ac845267/p-dent-vs-t-koch |
| 1980-05-30 | L | G. Vilas | Roland Garros | Grand Slam | R64 | Clay | 2-6 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:b6820b74603e7d7ab07bf305ec8be6d9d1c4e0bc65bc93ee436ff6e0c63dac53/g-vilas-vs-t-koch |
| 1980-05-28 | W | C. Motta | Roland Garros | Grand Slam | R128 | Clay | 6-7 6-3 4-6 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:57b71c48e2858986ecacf801069267b4f9ec83fd1e9b1aaf575ddd9fa924097c/t-koch-vs-c-motta |
| 1980-05-23 | L | P. Elter | Munich | ATP 250 | R32 | Clay | 6-4 1-6 4-6 | https://tennis-db.com/matches/sackmann_atp:b9097e684962eb512320e352297081fd51ac1edc98b1a2276d3e0259fb28d27d/p-elter-vs-t-koch |
| 1980-05-15 | L | B. Taroczy | Hamburg | ATP 250 | R32 | Clay | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:d42ea03a12d616a3cd5933bd8f5c525af07cd42ecc24e479ada6e32eeef9a7a0/b-taroczy-vs-t-koch |
| 1980-05-14 | W | G. Aubone | Hamburg | ATP 250 | R64 | Clay | 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:65c9442cdd9e6b636c64752085d724e0206459654f0c28f583fa5290956707be/t-koch-vs-g-aubone |
| 1980-05-03 | L | Vincent Van Patten | Sao Paulo | ATP 250 | SF | Carpet | 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:ef54a439e038887820bc5c3940da2fe6902d2488070b91dd5c536b63d998fb89/vincent-van-patten-vs-t-koch |
| 1980-05-03 | W | C. Lewis | Sao Paulo | ATP 250 | QF | Carpet | 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:f29699f13dee91686699fd0c3075d65a8c878d8523468cb84989a455c5dbd116/t-koch-vs-c-lewis |
| 1980-05-02 | W | G. Ocleppo | Sao Paulo | ATP 250 | R16 | Carpet | 6-2 6-4 | https://tennis-db.com/matches/sackmann_atp:0db36761c477594ed6a13fe159d1ff870499d45a99f4c23b315068cf40b3e5cd/t-koch-vs-g-ocleppo |
| 1980-05-01 | W | N. Saviano | Sao Paulo | ATP 250 | R32 | Carpet | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:5122068436cff9b0b0e3a788a735d19df245a62205af5d055ddfebf740ea9c7f/t-koch-vs-n-saviano |
| 1979-11-30 | L | P. Rebolledo | Santiago | ATP 250 | R16 | Clay | 5-7 6-4 4-6 | https://tennis-db.com/matches/sackmann_atp:e28229b62ab7c26dda79d2884a056cd0cb2ee2a6649e8fdecbfcb99778ee627e/p-rebolledo-vs-t-koch |
| 1979-11-29 | W | R. Fagel | Santiago | ATP 250 | R32 | Clay | 7-5 6-3 | https://tennis-db.com/matches/sackmann_atp:5df55a156694e10e98adc86bdb75d2fbbc23691f060a008a249966267e22b95c/t-koch-vs-r-fagel |
| 1979-11-22 | L | R. Gehring | Buenos Aires | ATP 250 | R32 | Clay | 1-6 1-6 | https://tennis-db.com/matches/sackmann_atp:d847f66cc09a84fbbab52eaa34cc89cb9efc74f66ec5626e2acab09ec0d1fa45/r-gehring-vs-t-koch |
| 1979-11-17 | L | V. Pecci | Bogota | ATP 250 | QF | Clay | 5-7 1-6 | https://tennis-db.com/matches/sackmann_atp:dc7b7d25b35bbe013412de1a19425839edf9d4abb76a6c00a5488522ffb7e132/v-pecci-vs-t-koch |
| 1979-11-16 | W | J. Fillol | Bogota | ATP 250 | R16 | Clay | 6-0 6-4 | https://tennis-db.com/matches/sackmann_atp:21e18e3223a17ea7bcd4699565ed56f6f39e4ea1f9560f69e07701e1270e2d8f/t-koch-vs-j-fillol |
| 1979-11-15 | W | G. Urpi | Bogota | ATP 250 | R32 | Clay | 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:09eaa7e0a4899dbbd0ee8427cbdc0a9618156b6bd98589bbd83e159f93b66a70/t-koch-vs-g-urpi |
| 1979-11-08 | L | C. Lewis | Quito | ATP 250 | R32 | Clay | 5-7 6-3 2-6 | https://tennis-db.com/matches/sackmann_atp:866a32ee5e0f0b006af9cca909ee3c88fe97660f6e6507e8e70e7768f87902ae/c-lewis-vs-t-koch |
| 1979-10-24 | L | R. Ramirez | Vienna | ATP 250 | R64 | Hard | 4-6 2-6 | https://tennis-db.com/matches/sackmann_atp:2b2b8e148bf5419e9c685b27ce6b36c783d6957708b289522b55f5610cda41e4/r-ramirez-vs-t-koch |
| 1979-10-19 | L | P. Portes | Basel | ATP 250 | R16 | Hard | 7-6 1-6 3-6 | https://tennis-db.com/matches/sackmann_atp:19d1ddf9273d1be7ddc422da98ae0ad888d94f3b9b095796633a787f98eabe3c/p-portes-vs-t-koch |
| 1979-10-18 | W | C. Freyss | Basel | ATP 250 | R32 | Hard | 6-3 5-7 6-4 | https://tennis-db.com/matches/sackmann_atp:5ec2d44062aef56dec01ee41e12083cc641b97112fa7e8749a4353b734f40b4b/t-koch-vs-c-freyss |
| 1979-03-22 | L | B. Mitton | San Jose | ATP 250 | R32 | Hard | 0-6 1-6 | https://tennis-db.com/matches/sackmann_atp:37a56010955d342ef7b788ffdb5831596e8588a3e33ad820ece97ad6253cd733/b-mitton-vs-t-koch |
| 1977-06-08 | L | J. Alexander | Nottingham | ATP 250 | R64 | Grass | 2-6 4-6 | https://tennis-db.com/matches/sackmann_atp:fc46f7f6a2580400d42ce97828ebed7502618327d35eb0eec203f0646e611b1a/j-alexander-vs-t-koch |
| 1977-05-27 | L | Tom Gullikson | Roland Garros | Grand Slam | R64 | Clay | 1-6 3-6 7-6 3-6 | https://tennis-db.com/matches/sackmann_atp:1899cbffa7f2c148d66c404dfd06647ecad075ace4b0b0e983f48291e91f9247/tom-gullikson-vs-t-koch |
| 1977-05-25 | W | V. Pecci | Roland Garros | Grand Slam | R128 | Clay | 3-6 5-7 6-3 6-4 6-3 | https://tennis-db.com/matches/sackmann_atp:987b0e01366934756a73909e03032e7003ecf038e0d0d011db8d644dc18cb53e/t-koch-vs-v-pecci |
| 1977-03-30 | L | M. Estep | Los Angeles Psw | ATP 250 | R64 | Carpet | 6-2 1-6 4-6 | https://tennis-db.com/matches/sackmann_atp:bd1460248a1fe4618e77af1d3a9f0a5919d3cd0cef85331bfc7b09b9f8adeb7b/m-estep-vs-t-koch |
| 1977-03-23 | L | Erik Van Dillen | La Costa | ATP 250 | R64 | Hard | 3-6 1-6 | https://tennis-db.com/matches/sackmann_atp:b375d075a0388fd50541b14e8d15e0aade352b8ef788fa1c4ea86b8033d33a1f/erik-van-dillen-vs-t-koch |
| 1977-03-17 | L | J. Whitlinger | Washington Indoor | ATP 250 | R32 | Carpet | 6-2 6-7 4-6 | https://tennis-db.com/matches/sackmann_atp:bda0c69c8a3128f9581ed12cac3609acbae788f04ee2639d62268714f8386e95/j-whitlinger-vs-t-koch |
| 1977-03-11 | L | G. Masters | Johannesburg | ATP 250 | R32 | Hard | 6-4 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:a3e5e4faa0090d271f1c1a831abc8e1005a27e0993961a45a24793db89bcb57a/g-masters-vs-t-koch |
| 1976-11-27 | L | J. Fillol | Buenos Aires | ATP 250 | SF | Clay | 2-6 1-6 | https://tennis-db.com/matches/sackmann_atp:d7148be1f9599751cc4f937f19832a2240e870ffe13a747cf245f48930c1356e/j-fillol-vs-t-koch |
| 1976-11-27 | W | V. Pecci | Buenos Aires | ATP 250 | QF | Clay | 3-6 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:c6e09c33d834b20e1d1d0fd7defee393f302ff74a9c2977af880faf7b9876762/t-koch-vs-v-pecci |
| 1976-11-26 | W | M. Cox | Buenos Aires | ATP 250 | R16 | Clay | 3-6 6-4 8-6 | https://tennis-db.com/matches/sackmann_atp:e2015dc67f41f2e20471f7260f03d7f0b45bb458c9987e7b4315bb2b1ada4664/t-koch-vs-m-cox |
| 1976-11-25 | W | R. Benavides | Buenos Aires | ATP 250 | R32 | Clay | 6-7 6-2 6-1 | https://tennis-db.com/matches/sackmann_atp:4a3c26b3c3bdf9a7955d87399424800f45221e394a63de379bea8aa7994cdceb/t-koch-vs-r-benavides |
| 1976-11-20 | L | J. Higueras | Sao Paulo | ATP 250 | SF | Carpet | 5-7 3-6 | https://tennis-db.com/matches/sackmann_atp:d004c5daeddafe2155d6b470b384493ed060d347c7d7b2c1c7f3c77bdb2368ec/j-higueras-vs-t-koch |
| 1976-11-20 | W | R. Cano | Sao Paulo | ATP 250 | QF | Carpet | 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:28814594754b6b31cc18fdaf05182fb1014b053cfb068d83d35b6a4367923831/t-koch-vs-r-cano |
| 1976-11-19 | W | J. Ganzabal | Sao Paulo | ATP 250 | R16 | Carpet | 6-2 7-5 | https://tennis-db.com/matches/sackmann_atp:e65633e6f301d88ab366824bddb2f8bc778e7fdb0d3537bf94eae99d14987ca0/t-koch-vs-j-ganzabal |
| 1976-11-18 | W | A. Betancur | Sao Paulo | ATP 250 | R32 | Carpet | 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:79062c1c58b4156ed74811be17215853708551891050c985311a174810832fd9/t-koch-vs-a-betancur |
| 1976-08-09 | L | R. Moore | Indianapolis | ATP 250 | R32 | Clay | 4-6 7-5 3-6 | https://tennis-db.com/matches/sackmann_atp:aea33e55b8ebd0fdb6f6c4af0022b79b487b0ec3bf7da72ff287a6fb87c86249/r-moore-vs-t-koch |
| 1976-08-09 | W | C. Dowdeswell | Indianapolis | ATP 250 | R64 | Clay | 6-3 7-5 | https://tennis-db.com/matches/sackmann_atp:7a79feaa378c8cc03b8a793485b310f2fc75af071c3cd647bc74582b531c3f57/t-koch-vs-c-dowdeswell |
| 1976-08-04 | L | D. Crealy | Louisville | ATP 250 | R64 | Clay | 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:1b5cd8e20b93c663049724972a049c096a627492079c0d952370ac2bb7963741/d-crealy-vs-t-koch |
| 1976-07-28 | L | S. Krulevitz | Washington | ATP 250 | R64 | Clay | 1-6 5-7 | https://tennis-db.com/matches/sackmann_atp:10c6ba67709cea330dda8780d8279bb5abe6d4e25c6b0f7853ca4d079c858c6b/s-krulevitz-vs-t-koch |
| 1976-04-04 | L | B. Borg | Sao Paulo Wct | ATP 250 | SF | Carpet | 6-7(3) 4-6 | https://tennis-db.com/matches/sackmann_atp:b114669270ceb2b16da2d88c78870df4d505cb35f3ea8cc66d55f4eef90feb5b/b-borg-vs-t-koch |
| 1976-04-04 | W | R. Case | Sao Paulo Wct | ATP 250 | QF | Carpet | 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:513393d3ee50547375ed6e144b8f2da50f65506cea4bc92c26da29a8051df11a/t-koch-vs-r-case |
| 1976-04-03 | W | B. Giltinan | Sao Paulo Wct | ATP 250 | R16 | Carpet | 6-0 6-3 | https://tennis-db.com/matches/sackmann_atp:7f3215d1963b0bd3f8016620f11986004b3bbf1df0a4b3755c5824bb022a4ea8/t-koch-vs-b-giltinan |
| 1976-03-14 | L | F. McMillan | Nuremberg | ATP 250 | F | Carpet | 6-2 3-6 4-6 | https://tennis-db.com/matches/sackmann_atp:0f6db138862fae647eb6ea86101c298752d14552ba0e8fd9cfde97e2e6315b17/f-mcmillan-vs-t-koch |
| 1976-03-13 | W | H. Gauvain | Nuremberg | ATP 250 | SF | Carpet | 6-4 7-5 | https://tennis-db.com/matches/sackmann_atp:29b5bfc8fd6fd905c7962ed75be4d7b3b3beaab276f4ea6a6ea2ca0fe0826555/t-koch-vs-h-gauvain |
| 1976-03-13 | W | R. Taylor | Nuremberg | ATP 250 | QF | Carpet | 6-4 7-6 | https://tennis-db.com/matches/sackmann_atp:8d99fea06770ff36205cfc6db4ac42b7e5a8e932031f94e8b688e86a9b5d5197/t-koch-vs-r-taylor |
| 1976-03-12 | W | S. Menon | Nuremberg | ATP 250 | R16 | Carpet | 6-7 6-3 6-1 | https://tennis-db.com/matches/sackmann_atp:a8d56b31e99ecf012915ee149554caf51af364f6043d06b01a769b7a77b9d756/t-koch-vs-s-menon |
| 1976-03-01 | L | M. Estep | Khartoum | ATP 250 | F | Hard | 4-6 7-6 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:2bad05311232bcb8a210d5af8ade9e0b956a9361185784927e35ccb22881e70c/m-estep-vs-t-koch |
| 1976-02-29 | W | M. Edmondson | Khartoum | ATP 250 | SF | Hard | 6-3 7-6 6-1 | https://tennis-db.com/matches/sackmann_atp:32d3b699679e1fe4cd46e92dd674304711797d0238c4d839538103fae6aef814/t-koch-vs-m-edmondson |
| 1976-02-29 | W | G. Marcu | Khartoum | ATP 250 | QF | Hard | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:1006577dfe15a5ae6ea8fe3f6d0cf458ca5974bb2fda35fa3f76479cb7186cd1/t-koch-vs-g-marcu |
| 1976-02-28 | W | T. Roepcke | Khartoum | ATP 250 | R16 | Hard | 6-4 4-6 7-5 | https://tennis-db.com/matches/sackmann_atp:2887324f2c01e5434744536ae4a356fa31f2578c153c50b9061fe483cdb13a63/t-koch-vs-t-roepcke |
| 1975-11-14 | L | J. Mandarino | Buenos Aires | ATP 250 | R16 | Clay | W/O | https://tennis-db.com/matches/sackmann_atp:2d7a7cfe9e22123876641a747393b6490d8847241c51a95d0d8ded7d8ea0f271/j-mandarino-vs-t-koch |
| 1975-11-13 | W | P. Bertolucci | Buenos Aires | ATP 250 | R32 | Clay | 4-6 6-2 6-4 | https://tennis-db.com/matches/sackmann_atp:76ecec66b58053b8046e88ebfd266d1b6faa0523c7ba676afaf185a2d0d9ffca/t-koch-vs-p-bertolucci |
| 1975-08-16 | L | I. Nastase | Toronto | Masters 1000 | R16 | Clay | 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:35507f7e667d9cba597970846a069b8ea5bbd75b50fe05a37bdb2d84137390f4/i-nastase-vs-t-koch |
| 1975-08-14 | W | R. Benavides | Toronto | Masters 1000 | R32 | Clay | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:1fa97939aea36522a2f667290654aec4c2085c3660d2ff3943ef8e5100833e76/t-koch-vs-r-benavides |
| 1975-08-13 | W | N. Spear | Toronto | Masters 1000 | R64 | Clay | 7-5 6-2 | https://tennis-db.com/matches/sackmann_atp:4180fa0fcb9c8f88f53cd9d1c3dcd5c3a2ebefaacc8cd548a4ef850060f0558f/t-koch-vs-n-spear |
| 1975-08-04 | L | A. Ashe | Indianapolis | ATP 250 | R16 | Clay | 6-4 4-6 2-6 | https://tennis-db.com/matches/sackmann_atp:773785640e3fa1cac0213e553ac0a19627d6be327574887def3ab7ff6a2bd152/a-ashe-vs-t-koch |
| 1975-08-04 | W | P. Fleming | Indianapolis | ATP 250 | R32 | Clay | 6-4 7-5 | https://tennis-db.com/matches/sackmann_atp:10c13028e47a12a21a73a429dd0e1e2ba5ea70253be8bd35e1523351d0a85ed5/t-koch-vs-p-fleming |
| 1975-08-04 | W | H. Bunis | Indianapolis | ATP 250 | R64 | Clay | 4-6 7-5 6-1 | https://tennis-db.com/matches/sackmann_atp:b7cc7ddf9d244feb82c8ba2bc94e8ca12012494ee7d54672ad2e5b5fdc060b33/t-koch-vs-h-bunis |
| 1975-08-01 | L | H. Rahim | Cincinnati | Masters 1000 | R32 | Clay | 7-6 3-6 6-7 | https://tennis-db.com/matches/sackmann_atp:98a620acb6dbbe1441716d3a72f07ee59c7c7bfa97cc38a59eb51eac614f7ac4/h-rahim-vs-t-koch |
| 1975-07-25 | L | G. Stilwell | Istanbul | ATP 250 | QF | Clay | 4-6 6-1 5-7 | https://tennis-db.com/matches/sackmann_atp:e2e5b84bea8864c91207d5977ea6ff1604722286faf4817eb55f2586f60e280c/g-stilwell-vs-t-koch |
| 1975-07-24 | W | Yildirak Das | Istanbul | ATP 250 | R16 | Clay | 6-0 6-1 | https://tennis-db.com/matches/sackmann_atp:7d418d33aa6d40a70bb20a25b0020addb4bd37ada76624aed3f71ee7afc89c61/t-koch-vs-yildirak-das |
| 1975-07-23 | W | Arif Kocak | Istanbul | ATP 250 | R32 | Clay | 6-0 6-1 | https://tennis-db.com/matches/sackmann_atp:763a71287eb0b2b51ebbddf87df23aa308c983212481ce430bf9f2b53ee3415c/t-koch-vs-arif-kocak |
| 1975-07-23 | L | Stan Smith | Washington | ATP 250 | R64 | Clay | 6-7 1-6 | https://tennis-db.com/matches/sackmann_atp:65b6e61237217d35a5aa2fe249c9b9831224a3f4ed6fa0024d6a8090f3357788/stan-smith-vs-t-koch |
| 1975-07-12 | L | J. Higueras | Bastad | ATP 250 | SF | Clay | 6-4 3-6 1-6 | https://tennis-db.com/matches/sackmann_atp:5c7f43945a64afbb4be1426e9b0d5c942ba119b61236c51439b69f5489eae22b/j-higueras-vs-t-koch |
| 1975-07-12 | W | B. Borg | Bastad | ATP 250 | QF | Clay | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:357b946d17c153e6c8861db722d2c2650918c9618fde75aa74c023ef98a92b25/t-koch-vs-b-borg |
| 1975-07-11 | W | B. Andersson | Bastad | ATP 250 | R16 | Clay | 6-3 6-1 | https://tennis-db.com/matches/sackmann_atp:012edd5b678e71578e088610b000d30e099b7846e30514cd520f737742af4532/t-koch-vs-b-andersson |
| 1975-07-10 | W | J. Kallquist | Bastad | ATP 250 | R32 | Clay | 6-4 6-3 | https://tennis-db.com/matches/sackmann_atp:3fabe008d2b55f9c3c234ec64050700790b59470c9214b7ad9906ac5e7448fd9/t-koch-vs-j-kallquist |
| 1975-06-25 | L | Andrew Pattison | Wimbledon | Grand Slam | R128 | Grass | 4-6 5-7 3-6 | https://tennis-db.com/matches/sackmann_atp:8e673db4a3a001851e065f6afe31b7add6d09729249c137d4b4b7fbfc58bc949/andrew-pattison-vs-t-koch |
| 1975-06-18 | L | C. Richey | Nottingham | ATP 250 | R64 | Grass | 6-3 5-7 2-6 | https://tennis-db.com/matches/sackmann_atp:9e2d455651853ccc0704e6e5637df9a432961caf70ab08fd6682fb5b039fef87/c-richey-vs-t-koch |
| 1975-06-06 | L | N. Spear | Roland Garros | Grand Slam | R128 | Clay | 6-7 7-5 5-7 | https://tennis-db.com/matches/sackmann_atp:7b74bd15d6b919d094f2efd556bb4792212c3d798e586d8d57c0f11de099e6df/n-spear-vs-t-koch |
| 1975-05-28 | L | N. Pilic | Rome | Masters 1000 | R32 | Clay | 1-6 1-6 | https://tennis-db.com/matches/sackmann_atp:b760c454448f182d3ba32152a28a8503d67ceb0a65818ad15b900ea6586724d0/n-pilic-vs-t-koch |
| 1975-05-27 | W | F. Gebert | Rome | Masters 1000 | R64 | Clay | 2-6 6-3 7-6 | https://tennis-db.com/matches/sackmann_atp:49f1e3dfd58b1e04308cad134bef53ec7028af33cd251a89e0363c1db96f61f8/t-koch-vs-f-gebert |
| 1975-04-24 | L | Andrew Pattison | Charlotte | ATP 250 | R32 | Clay | 6-2 3-6 4-6 | https://tennis-db.com/matches/sackmann_atp:4cd60586e29ad6b15395a5c83de5431b61a523013495d359338e037c68f98e14/andrew-pattison-vs-t-koch |
| 1975-04-19 | L | J. Connors | Denver Wct | ATP 250 | QF | Carpet | 6-7(4) 3-6 | https://tennis-db.com/matches/sackmann_atp:bc6a0e43973958d96f9ea5e458c982a319a35220d8517096b9d12b9568644f43/j-connors-vs-t-koch |
| 1975-04-18 | W | R. Tanner | Denver Wct | ATP 250 | R16 | Carpet | 7-6(2) 3-6 6-3 | https://tennis-db.com/matches/sackmann_atp:6cbf15faec137b78105af6c7939cfac039464229b4d135dd1b348d2bc607d11e/t-koch-vs-r-tanner |
| 1975-04-17 | W | B. Carmichael | Denver Wct | ATP 250 | R32 | Carpet | 4-6 6-4 7-5 | https://tennis-db.com/matches/sackmann_atp:b70aa1aab08f6cabbfcc3dd3b03352d35a14e4d7dab97ea545b9613b3da2f5b5/t-koch-vs-b-carmichael |
| 1975-04-11 | L | J. Borowiak | St. Louis | ATP 250 | R16 | Clay | 4-6 2-6 | https://tennis-db.com/matches/sackmann_atp:b0a2063b8ac4b45d4d67d070d27d879f61284b3cc58cae43db03b099570ebcad/j-borowiak-vs-t-koch |
| 1975-04-10 | W | P. Cornejo | St. Louis | ATP 250 | R32 | Clay | 6-2 7-5 | https://tennis-db.com/matches/sackmann_atp:0e1a7a7ce77c6983139afbfc6f37d2c5ed0719890a9dad1386c5a4508c2252bc/t-koch-vs-p-cornejo |
| 1975-04-03 | L | K. Rosewall | Tuscon | ATP 250 | R32 | Hard | 3-6 5-7 | https://tennis-db.com/matches/sackmann_atp:a00a06ceff3740d41e08363d1eaaf1eae229014ba79829e6232e2216b1414cfd/k-rosewall-vs-t-koch |
| 1975-04-02 | W | R. Case | Tuscon | ATP 250 | R64 | Hard | 6-3 6-3 | https://tennis-db.com/matches/sackmann_atp:d226d05a3eef70c636bf5f9e14e2572d11920ff6c49594f56b57d5f04dac847e/t-koch-vs-r-case |
| 1975-03-28 | L | R. Tanner | Orlando Wct | ATP 250 | R16 | Hard | 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:216bade0a5c1ea594bc270f7c4ede0d1066835f5522f54d0a26546a300ed28a7/r-tanner-vs-t-koch |
| 1975-03-27 | W | P. Doerner | Orlando Wct | ATP 250 | R32 | Hard | 7-6(5) 6-0 | https://tennis-db.com/matches/sackmann_atp:b7ecadeb4cb0574aaf184e31908fab9fa468360d5e74afb83f608b3434b55c98/t-koch-vs-p-doerner |
| 1975-03-20 | L | A. Stone | Caracas Wct | ATP 250 | R32 | Hard | 2-6 7-5 3-6 | https://tennis-db.com/matches/sackmann_atp:5015a77b44527812d4822e23af05a88ea210a35956026d785bfc17fc8e644b0b/a-stone-vs-t-koch |
| 1975-03-15 | L | R. Laver | Sao Paulo Wct | ATP 250 | SF | Carpet | 1-6 6-3 1-6 | https://tennis-db.com/matches/sackmann_atp:8fc3b22dfa12db5b2ec69f3bcbf74e5b686b2b5340dc7e11a4a03d022b338196/r-laver-vs-t-koch |
| 1975-03-15 | W | R. Ruffels | Sao Paulo Wct | ATP 250 | QF | Carpet | 5-7 6-4 7-5 | https://tennis-db.com/matches/sackmann_atp:9a0ef913594d3bd3497a80ec8282317fe716b8f081b59ab165d2220826e4db40/t-koch-vs-r-ruffels |
| 1975-03-14 | W | A. Stone | Sao Paulo Wct | ATP 250 | R16 | Carpet | 4-6 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:041685b71e2d1885e77705469528c08b35db7bfc4c3bda21795291725287c4a1/t-koch-vs-a-stone |
| 1975-03-13 | W | J. Ganzabal | Sao Paulo Wct | ATP 250 | R32 | Carpet | 6-0 6-7(5) 6-4 | https://tennis-db.com/matches/sackmann_atp:ba633d70b79efb2f77ed4bc1449128d0493cc3d48689f49f90f92a07a8f90f98/t-koch-vs-j-ganzabal |
| 1975-02-20 | L | Alex Metreveli | La Costa Wct | ATP 250 | R32 | Hard | 3-6 4-6 | https://tennis-db.com/matches/sackmann_atp:9559d6d985d8d9466d25e87d7036f5deac4a2270b845a6da87c73e26cb3199c6/alex-metreveli-vs-t-koch |
| 1975-02-14 | L | J. Connors | Salisbury | ATP 250 | R16 | Carpet | 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:17acb1c827064d4de82acbd489b89c6153d613756fa777ed5762ba98ba84661a/j-connors-vs-t-koch |
| 1975-02-13 | W | C. Kachel | Salisbury | ATP 250 | R32 | Carpet | 4-6 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:c4db80f3082cf9335b5596c3d2bdf933b8a86a8f976101f4fffd64af8b30f303/t-koch-vs-c-kachel |
| 1975-02-06 | L | C. Pasarell | St. Petersburg Wct | ATP 250 | R32 | Hard | 3-6 4-6 | https://tennis-db.com/matches/sackmann_atp:8ad3dbf9c5f4aca79251184e5a6346a05228b65e8bd5bc0cd68876b780d17844/c-pasarell-vs-t-koch |
| 1975-01-22 | L | J. Fillol | Philadelphia Wct | ATP 250 | R64 | Carpet | W/O | https://tennis-db.com/matches/sackmann_atp:f8db573cbbcaaa8de1d2c187b55a0293b7028c1fd0b7b689e9059ea609b163f2/j-fillol-vs-t-koch |
| 1974-11-08 | L | M. Riessen | Stockholm | ATP 250 | R16 | Hard | 6-7 4-6 | https://tennis-db.com/matches/sackmann_atp:d589d3485759c747575f82dc1b9c2cd22cac986330ef29f877a6dc0ac8d63fb5/m-riessen-vs-t-koch |
| 1974-11-07 | W | E. Dibbs | Stockholm | ATP 250 | R32 | Hard | 6-0 6-0 | https://tennis-db.com/matches/sackmann_atp:3e7e3032dfba0d16d8e03232ce2e78b9a4ec4e9e0b983ff684377e1ac02edbba/t-koch-vs-e-dibbs |
| 1974-11-06 | W | M. Farrell | Stockholm | ATP 250 | R64 | Hard | 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:d50d26430d0a4080c03791dfb73bfbddd494e789ee149ad124e92c0838f03246/t-koch-vs-m-farrell |
| 1974-11-02 | L | A. Ashe | Paris Indoor | ATP 250 | QF | Hard | 4-6 6-2 2-6 | https://tennis-db.com/matches/sackmann_atp:901fd2190f5693c746bf014af98996171fdf40d007b6fece25e09455456d679c/a-ashe-vs-t-koch |
| 1974-11-01 | L | G. Vilas | Tehran | ATP 250 | SF | Clay | 0-6 3-6 | https://tennis-db.com/matches/sackmann_atp:826764ce1960353df33c12fb992212b6e5cca67fca65373574127432bf16ebc8/g-vilas-vs-t-koch |
| 1974-11-01 | W | T. Okker | Tehran | ATP 250 | QF | Clay | 7-6 7-6 | https://tennis-db.com/matches/sackmann_atp:31c75113328e2128923adda47dce27643290ad66e44eab489d4743c5ce19fea1/t-koch-vs-t-okker |
| 1974-11-01 | W | J. Ganzabal | Paris Indoor | ATP 250 | R16 | Hard | 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:2f8c4585213f48748bca92e5527c2a75cf1c51474ff6055ec1bf2538f77336f3/t-koch-vs-j-ganzabal |
| 1974-10-31 | W | J. Mandarino | Tehran | ATP 250 | R16 | Clay | 0-6 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:227ba16a96c0cd6bd1336a41b0b68a6a2bef528373d2255bef3d5be40774f874/t-koch-vs-j-mandarino |
| 1974-10-31 | W | F. Jauffret | Paris Indoor | ATP 250 | R32 | Hard | 6-4 9-8 | https://tennis-db.com/matches/sackmann_atp:0bd2b2d50bc213c7c921f782972c038b37f2e31381fce4b0ff86f5134ccac83a/t-koch-vs-f-jauffret |
| 1974-10-30 | W | P. Cornejo | Tehran | ATP 250 | R32 | Clay | 7-5 6-4 | https://tennis-db.com/matches/sackmann_atp:b28a52f4edccdc921b0c86ac48712c6346351d06038af146b82a7a6363ea90f6/t-koch-vs-p-cornejo |
| 1974-10-29 | W | R. Dowdeswell | Tehran | ATP 250 | R64 | Clay | 4-6 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:7707d5f517b7c260887c09ea1cf790f14b477b3e7a648ea0a522c480a4bbb521/t-koch-vs-r-dowdeswell |
| 1974-10-17 | L | J. Kodes | Barcelona | ATP 250 | R32 | Clay | 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:b6900dc2bb32e662ff231a19fd1113e0f7352f4f6f5c764fff325bdcf32cdccb/j-kodes-vs-t-koch |
| 1974-10-16 | W | J. Muntanola | Barcelona | ATP 250 | R64 | Clay | 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:f4f2aa91903129fdfc04b39ed9a6b4e53cad42ce4dfad24c2905373e8d9c78a2/t-koch-vs-j-muntanola |
| 1974-09-20 | L | I. Nastase | Cedar Grove | ATP 250 | SF | Clay | 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:2f2a75dfe9f34e63b755eb5b54093c77d16e6c2d40adfed00872a77114e35266/i-nastase-vs-t-koch |
| 1974-09-20 | W | J. Fassbender | Cedar Grove | ATP 250 | QF | Clay | 7-5 3-6 6-3 | https://tennis-db.com/matches/sackmann_atp:82211c9c29cfda2caec7bbfa5b6d1092d2a17afa1dbc20847af3d6f000b5a1c3/t-koch-vs-j-fassbender |
| 1974-09-19 | W | R. Case | Cedar Grove | ATP 250 | R16 | Clay | 7-6 6-2 | https://tennis-db.com/matches/sackmann_atp:34f55fea5f13688ed8b647ed62881e78686ea529e44165e9d044048151065654/t-koch-vs-r-case |
| 1974-09-18 | W | Sherwood Stewart | Cedar Grove | ATP 250 | R32 | Clay | 7-6 6-2 | https://tennis-db.com/matches/sackmann_atp:1bbc93d0dcfa728cfecb82dd452125ffac04179df9e1aa068aba7c15208100e9/t-koch-vs-sherwood-stewart |
| 1974-09-03 | L | T. Okker | US Open | Grand Slam | R32 | Grass | 6-4 2-6 3-6 7-5 4-6 | https://tennis-db.com/matches/sackmann_atp:84ea3d86b7229841ca290e7a057c4aeeac7ed642170d5e1ad0922cdd46f1abe4/t-okker-vs-t-koch |
| 1974-09-01 | W | O. Davidson | US Open | Grand Slam | R64 | Grass | 6-3 7-6 7-5 | https://tennis-db.com/matches/sackmann_atp:8b0075ada60c2f11676aa52bed2fab3dd7bfd91d201774d798c091814c724627/t-koch-vs-o-davidson |
| 1974-08-30 | W | A. Cornejo | US Open | Grand Slam | R128 | Grass | 7-5 6-1 6-3 | https://tennis-db.com/matches/sackmann_atp:2f9e716c4f234e619534bafa6fecd89d259e0af245be4e7c777349d76056ecb3/t-koch-vs-a-cornejo |
| 1974-07-24 | L | J. Borowiak | Kitzbuhel | ATP 250 | R32 | Clay | 6-3 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:a6eb3945b34738d376fc1d0a4dcc6c86fa5b0a8a3987cc328cc5dc2c703da543/j-borowiak-vs-t-koch |
| 1974-07-18 | L | R. Emerson | Gstaad | ATP 250 | R16 | Clay | 2-6 6-3 0-6 | https://tennis-db.com/matches/sackmann_atp:4f71ba34072e94cf1e94522be4029459cf11e8cf6600b3dcba138eecf8f7235f/r-emerson-vs-t-koch |
| 1974-07-17 | W | A. Munoz | Gstaad | ATP 250 | R32 | Clay | 6-4 6-3 | https://tennis-db.com/matches/sackmann_atp:bf913a0f5af37305193938a25e57b030bd50899787a6cb1e0bef46738ea2acf5/t-koch-vs-a-munoz |
| 1974-06-28 | L | M. Orantes | Wimbledon | Grand Slam | R64 | Grass | 2-6 4-6 6-4 2-6 | https://tennis-db.com/matches/sackmann_atp:17820a37476f766da4257b0cde7a8838dece3c8bd475478a0d97e2afded6c3b1/m-orantes-vs-t-koch |
| 1974-06-26 | W | J. Caujolle | Wimbledon | Grand Slam | R128 | Grass | 6-4 1-6 4-6 6-4 8-6 | https://tennis-db.com/matches/sackmann_atp:dd0dc4c5b53d426880ed43adfcd6b2e1c5344e1fdb277f9f502c075f9e658a42/t-koch-vs-j-caujolle |
| 1974-06-12 | L | R. Ramirez | Roland Garros | Grand Slam | R16 | Clay | 3-6 1-6 6-4 5-7 | https://tennis-db.com/matches/sackmann_atp:84bf0eb96f283e27d13d7f71176bd5b564476a92a98aaea301b12fbbae86a4cf/r-ramirez-vs-t-koch |
| 1974-06-09 | W | Toshiro Sakai | Roland Garros | Grand Slam | R32 | Clay | 6-1 6-7 4-6 6-1 6-4 | https://tennis-db.com/matches/sackmann_atp:0882aefe4a7b32a3c8b6cb2f6bc9f25738b2ca83de678b3d25fde711e25630bf/t-koch-vs-toshiro-sakai |
| 1974-06-07 | W | T. Gorman | Roland Garros | Grand Slam | R64 | Clay | 6-2 4-6 6-4 | https://tennis-db.com/matches/sackmann_atp:b1a1ba6f9ea574949e6ef6784ed7d34061841679a941c624bb5b131a36c7a3dd/t-koch-vs-t-gorman |
| 1974-06-05 | W | W. N'Godrella | Roland Garros | Grand Slam | R128 | Clay | 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:a4c6b8ebcb3f743b37cd35e780e16902d4558c8abbacf3ae4380ca67cae34da9/t-koch-vs-w-n-godrella |
| 1974-05-28 | L | J. Hrebec | Rome | Masters 1000 | R64 | Clay | 4-6 4-6 | https://tennis-db.com/matches/sackmann_atp:6e1d5b058636679b69c70d8d3ddcfeefc5e90fc001f52b45fc86b7e5a4377f1e/j-hrebec-vs-t-koch |
| 1974-03-22 | L | B. Borg | Sao Paulo Wct | ATP 250 | SF | Carpet | 6-3 5-7 2-6 | https://tennis-db.com/matches/sackmann_atp:c2966889a328f461a760b82f6cbb9781f0106654d63bee9cfdd728adce9d06cf/b-borg-vs-t-koch |
| 1974-03-22 | W | M. Cox | Sao Paulo Wct | ATP 250 | QF | Carpet | 7-6 6-4 | https://tennis-db.com/matches/sackmann_atp:f11cd7b1321e762c5e1c5942af3ed9e245ac25b724a88020f64a1078582afcf5/t-koch-vs-m-cox |
| 1974-03-21 | W | A. Panatta | Sao Paulo Wct | ATP 250 | R16 | Carpet | 7-6 6-4 | https://tennis-db.com/matches/sackmann_atp:23014d63c7ab3fdeab9db20afa101a26f207ef0221e99c99e61fdc21f9a5f715/t-koch-vs-a-panatta |
| 1974-03-20 | W | P. Gerken | Sao Paulo Wct | ATP 250 | R32 | Carpet | 7-5 6-4 | https://tennis-db.com/matches/sackmann_atp:fe159672582dec1f1823be99705d62617b8bbd764e58c8e29e66f35ddd27c8c1/t-koch-vs-p-gerken |
| 1973-11-29 | L | Z. Franulovic | Buenos Aires | ATP 250 | R16 | Clay | 4-6 2-6 | https://tennis-db.com/matches/sackmann_atp:d09ff0711938a8352a51ce2db93e4f34b604c4d1dc420090f96b4c69e3b9a91c/z-franulovic-vs-t-koch |
| 1973-11-28 | W | Fernando Dalla Fontana | Buenos Aires | ATP 250 | R32 | Clay | 6-1 6-2 | https://tennis-db.com/matches/sackmann_atp:43f6db765e345cddf6c9118796ca30d7babc9433cb9c22217b8dad996925ce6e/t-koch-vs-fernando-dalla-fontana |
| 1973-08-31 | L | M. Riessen | US Open | Grand Slam | R128 | Grass | 7-5 2-6 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:79f3cf160b2420ebe233d8d3d06b325f3bc85112fe25048a65fb5333811d07b6/m-riessen-vs-t-koch |
| 1973-03-12 | W | Erik Van Dillen | Caracas | ATP 250 | RR | Hard | 6-3 6-3 | https://tennis-db.com/matches/sackmann_atp:d8bc04f192571fa5d4cdc528614ee4e388e93f4ed707cc5394275f7795e6faa1/t-koch-vs-erik-van-dillen |
| 1973-03-12 | L | Z. Franulovic | Caracas | ATP 250 | RR | Hard | 4-6 5-7 | https://tennis-db.com/matches/sackmann_atp:95f9cf4340a77679d5721bf0eb7539c231e0a1a60367cf995e0f4f59600594f6/z-franulovic-vs-t-koch |
| 1973-03-12 | W | F. Jauffret | Caracas | ATP 250 | RR | Hard | 6-2 2-6 7-6 | https://tennis-db.com/matches/sackmann_atp:6f11443cc48520ef8cf0867e2ed51561823dbfb87b50ff6dec97fbaab655c136/t-koch-vs-f-jauffret |
| 1973-03-12 | L | R. Tanner | Caracas | ATP 250 | RR | Hard | UNK | https://tennis-db.com/matches/sackmann_atp:3f7ecee8d41064323b376c5336dec5f33e513319caa0bd69c60eccd6e043b763/r-tanner-vs-t-koch |
| 1973-03-05 | W | J. Osborne | San Juan | ATP 250 | RR | Hard | 7-6 6-3 | https://tennis-db.com/matches/sackmann_atp:cf7cf5ca4fa0ef54c5e09c63b269e60b076011b219fe69a96e7f125ccdadfc53/t-koch-vs-j-osborne |
| 1973-03-05 | L | H. Solomon | San Juan | ATP 250 | RR | Hard | 4-6 7-5 4-6 | https://tennis-db.com/matches/sackmann_atp:7b73c0b37c0f5ebfd2f575882ae7572c985271a8325b041e495521fec93641be/h-solomon-vs-t-koch |
| 1973-03-05 | W | O. Parun | San Juan | ATP 250 | RR | Hard | 7-6 7-5 | https://tennis-db.com/matches/sackmann_atp:4086ad868b9305f57f935ebe3240b4cd358aa8c8c29d67b8a48a10fa39d6f88e/t-koch-vs-o-parun |
| 1973-03-05 | L | Alex Metreveli | San Juan | ATP 250 | RR | Hard | 7-5 2-6 3-6 | https://tennis-db.com/matches/sackmann_atp:023cfdea79d35808e09acf1e2297c52d7c3f93b699ef845bf8ebd04d4360edd5/alex-metreveli-vs-t-koch |
| 1972-09-06 | L | M. Orantes | South Orange | ATP 250 | QF | Hard | 2-6 2-6 | https://tennis-db.com/matches/sackmann_atp:cafbaac37737f35bd024f73e2e57a92c3638b13bd64f15cfa20ff72cfe260ce7/m-orantes-vs-t-koch |
| 1972-09-05 | W | J. Osborne | South Orange | ATP 250 | R16 | Hard | 7-6 6-3 | https://tennis-db.com/matches/sackmann_atp:dd6e95ab4e9623c730edc71f1b2e1c2cea9989f3b6b90a8c31cbd9db1b94eedc/t-koch-vs-j-osborne |
| 1972-09-04 | W | G. Scott | South Orange | ATP 250 | R32 | Hard | 6-1 7-6 | https://tennis-db.com/matches/sackmann_atp:c346e9efdd21389752de6530c4eba26d33ed6b821236352db09440bc5b1bbf4f/t-koch-vs-g-scott |
| 1972-07-26 | L | C. Dibley | Kitzbuhel | ATP 250 | R16 | Clay | 4-6 5-7 6-7 | https://tennis-db.com/matches/sackmann_atp:250e9a7abfb1a68fa8a9c7f2e35fb3da8b149010f123c350b8c4fe3708a6a4ae/c-dibley-vs-t-koch |
| 1972-07-25 | W | Martin Mulligan | Kitzbuhel | ATP 250 | R32 | Clay | 3-6 6-3 6-1 6-1 | https://tennis-db.com/matches/sackmann_atp:4d4c73a37d6a3f1e9f1506fec3fae2b56a4138ef6d3ab47feb16e2680d930b08/t-koch-vs-martin-mulligan |
| 1972-07-20 | L | Barry Phillips Moore | Gstaad | ATP 250 | R16 | Clay | 5-7 3-6 | https://tennis-db.com/matches/sackmann_atp:5a92b939c576ce3e1f5327190593db248da33ec045b669a4bb9c6af71412b2f8/barry-phillips-moore-vs-t-koch |
| 1972-07-19 | W | D. Sturdza | Gstaad | ATP 250 | R32 | Clay | 6-4 6-2 | https://tennis-db.com/matches/sackmann_atp:702a032aed039a1007dd259b5f281766f1d734024e173f91db9666d0607cf7c1/t-koch-vs-d-sturdza |
| 1972-06-28 | L | D. Stockton | Wimbledon | Grand Slam | R128 | Grass | 9-8 6-4 3-6 2-6 4-6 | https://tennis-db.com/matches/sackmann_atp:cf8fe6c666fbee4153edd383dc209476827f0fd37c321b2a4d2480e7d1890a1e/d-stockton-vs-t-koch |
| 1972-06-26 | L | Lew Hoad | Eastbourne | ATP 250 | R32 | Grass | 3-6 2-6 | https://tennis-db.com/matches/sackmann_atp:b6540565e3be8e62abb2ea706ba2c43adf03f90a2622122a7b8c5e784825f5af/lew-hoad-vs-t-koch |
| 1972-06-21 | L | C. Graebner | Bristol | ATP 250 | R16 | Grass | 1-6 6-4 5-7 | https://tennis-db.com/matches/sackmann_atp:90e920162a1c6ca6d25632ecc3417e8ae11128702d33254ac56cf3e3d9698b57/c-graebner-vs-t-koch |
| 1972-06-20 | W | R. Moore | Bristol | ATP 250 | R32 | Grass | 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:f57b651df82df9d3390c6fa4cdc00424448d5f6a041d8dc923bdc6ce51450e2d/t-koch-vs-r-moore |
| 1972-06-05 | W | P. Dominguez | Manchester | ATP 250 | F | Grass | 6-2 5-7 6-4 | https://tennis-db.com/matches/sackmann_atp:cac6615c3c3c8f53946b82328348e9a4d47550625abf2782717e0f8e02f19a8b/t-koch-vs-p-dominguez |
| 1972-06-05 | W | M. Estep | Manchester | ATP 250 | SF | Grass | 6-2 10-8 | https://tennis-db.com/matches/sackmann_atp:81483f5e2453a295cea0dcaeee62a78dd1f9f53a1cc9e4b09f34fbff3cea500b/t-koch-vs-m-estep |
| 1972-06-05 | W | R. Keldie | Manchester | ATP 250 | QF | Grass | 6-4 6-4 | https://tennis-db.com/matches/sackmann_atp:efa1470e9160e52a2044f31e141a71b563e749d6c502a7a51473198428d1774d/t-koch-vs-r-keldie |
| 1972-06-05 | W | Ken Weatherley | Manchester | ATP 250 | R16 | Grass | 8-6 6-4 | https://tennis-db.com/matches/sackmann_atp:2bed64858063491ee6fcade12ad7cde85496898e7072a3c8b9d61bd9a06257fb/t-koch-vs-ken-weatherley |
| 1972-06-05 | W | Lindsay Murphy | Manchester | ATP 250 | R32 | Grass | W/O | https://tennis-db.com/matches/sackmann_atp:e0889bfe59c1da5c8b064316ad4fa3b4cdd8738fa115454bb6025fc3125cd493/t-koch-vs-lindsay-murphy |
| 1972-06-05 | W | S Carr | Manchester | ATP 250 | R64 | Grass | W/O | https://tennis-db.com/matches/sackmann_atp:7d50c759fcb66f0deeab4406bdd8f4868fff96a3badeea6090f4292ff9fb8aaa/t-koch-vs-s-carr |
| 1972-05-26 | L | C. Graebner | Roland Garros | Grand Slam | R64 | Clay | 2-6 0-6 2-6 | https://tennis-db.com/matches/sackmann_atp:f880a8b661528196b004239e5ab9ce7c2c6f5b0752bb1b00b52f87f403593371/c-graebner-vs-t-koch |
| 1972-05-10 | L | Alejandro Olmedo | Kansas City | ATP 250 | QF | Hard | 5-7 6-3 3-6 | https://tennis-db.com/matches/sackmann_atp:6dfa9eb8a691d0d7895847811550999f01a383e798c69bcaa794c766acc72dc4/alejandro-olmedo-vs-t-koch |
| 1972-03-10 | L | P. Barthes | Washington | ATP 250 | R16 | Carpet | 3-6 5-7 | https://tennis-db.com/matches/sackmann_atp:8c45355d01b7dc46b4720c7f08f3ab2bdeb98a85db1b02fd0d941a7fcd8be025/p-barthes-vs-t-koch |
| 1972-03-09 | L | A. Gimeno | Hampton | ATP 250 | R16 | Hard | 7-6 1-6 5-7 | https://tennis-db.com/matches/sackmann_atp:1df13d82275e78e766fc708dd6ec57bcb6914e3debac0116393c2eafc67831cb/a-gimeno-vs-t-koch |
| 1972-03-09 | W | T. Edlefsen | Washington | ATP 250 | R32 | Carpet | 6-3 7-5 | https://tennis-db.com/matches/sackmann_atp:da3f75a90c54df62948c2d0ba2c7f7c99312007f5bd613c144fd5504c98e7967/t-koch-vs-t-edlefsen |
| 1972-03-08 | W | R. Case | Hampton | ATP 250 | R32 | Hard | 7-5 6-1 | https://tennis-db.com/matches/sackmann_atp:8e33eb7028a452977de1c85a55479d90e9b2b8a5e3d39e4c2b63d5782295c55e/t-koch-vs-r-case |
| 1972-03-02 | L | O. Parun | New York | ATP 250 | R32 | Carpet | 5-7 3-6 | https://tennis-db.com/matches/sackmann_atp:824a4dbe49af7aa2eaa03e8d70adffdad1bc66041a705f5f9c3b0a359139e0de/o-parun-vs-t-koch |
| 1972-03-01 | W | G. Goven | New York | ATP 250 | R64 | Carpet | 6-2 6-3 | https://tennis-db.com/matches/sackmann_atp:0d7c4faf943a3902409d63bbc2792efe2315d19ddf48d46cb7b6f3f5d0870501/t-koch-vs-g-goven |
| 1972-02-22 | L | Dick Dell | Salisbury | ATP 250 | R64 | Hard | 5-7 4-6 | https://tennis-db.com/matches/sackmann_atp:e9ef17cff6725d9457f3f410ac4e16d9d503ef46f27739307dd5ff2959da8d50/dick-dell-vs-t-koch |
| 1972-02-19 | L | P. Barthes | Los Angeles | ATP 250 | SF | Carpet | 6-7 3-6 | https://tennis-db.com/matches/sackmann_atp:f659bcdf07f16898ee73b5b6cc1f8bdb83bdee55bd45690cf4e71b01ba4dcd11/p-barthes-vs-t-koch |
| 1972-02-19 | W | Richard Gonzalez | Los Angeles | ATP 250 | QF | Carpet | 6-1 6-4 | https://tennis-db.com/matches/sackmann_atp:3991c8b7b9edb68547cb58f31eb622cfad4ecd09b22c784c30987a3128c65b80/t-koch-vs-richard-gonzalez |
| 1972-02-18 | W | Z. Franulovic | Los Angeles | ATP 250 | R16 | Carpet | 6-2 5-7 7-6 | https://tennis-db.com/matches/sackmann_atp:4c3de65d88bc7b8ccca503c0ad7944abe47a2e36d047e157a43567573d00ce80/t-koch-vs-z-franulovic |
| 1972-02-17 | W | Erik Van Dillen | Los Angeles | ATP 250 | R32 | Carpet | 6-4 4-6 6-3 | https://tennis-db.com/matches/sackmann_atp:ea48a454f977f8b5f4ec3204db779f2aed864c8f38894ad16083d86270234f68/t-koch-vs-erik-van-dillen |
| 1972-02-11 | L | G. Goven | Des Moines | ATP 250 | QF | Carpet | 6-7 6-7 | https://tennis-db.com/matches/sackmann_atp:d166d6a18e3c2c24d0b8305f3ec83e81eb8d04a2b9f4ee373542319fc0848e9d/g-goven-vs-t-koch |
| 1972-02-10 | W | O. Parun | Des Moines | ATP 250 | R16 | Carpet | 6-4 6-1 | https://tennis-db.com/matches/sackmann_atp:5822d25765beafb76cd0d39497d61a5017785038037c43b4e1947b7da46bd9db/t-koch-vs-o-parun |
| 1972-02-06 | L | I. Nastase | Omaha | ATP 250 | QF | Hard | 4-6 1-6 | https://tennis-db.com/matches/sackmann_atp:9bf131c81b469527ac559ac2c5a2597046aa610e26e2d34e21387d14617292f9/i-nastase-vs-t-koch |
| 1972-02-05 | W | Erik Van Dillen | Omaha | ATP 250 | R16 | Hard | 7-6 7-5 | https://tennis-db.com/matches/sackmann_atp:dfe2e0ce485e04cdc4cc516c63cf1ac0048510bff4cdcf7b354eca3b2bc43889/t-koch-vs-erik-van-dillen |
| 1972-01-26 | L | V. Zednik | Roanoke | ATP 250 | QF | Carpet | 6-7 6-3 6-7 | https://tennis-db.com/matches/sackmann_atp:492913db374f513b2c06218a239a9f8d6696c886320d3f384709ee424741642e/v-zednik-vs-t-koch |
| 1971-12-04 | L | Jaime Pinto Bravo | Buenos Aires | ATP 250 | R32 | Clay | 1-6 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:8ad661b2110d187b6d367139ae7f575722d1bc32f830e8426b64a66be4c70f4b/jaime-pinto-bravo-vs-t-koch |
| 1971-09-05 | L | J. Osborne | US Open | Grand Slam | R64 | Grass | 3-6 6-1 4-6 3-6 | https://tennis-db.com/matches/sackmann_atp:7ab50bf75ff3b4536ed51b45a8ed30971dbd9b2b691b53f354f67a99e36e46c3/j-osborne-vs-t-koch |
| 1971-09-03 | W | P. Cornejo | US Open | Grand Slam | R128 | Grass | 6-3 7-6 6-2 7-6 | https://tennis-db.com/matches/sackmann_atp:4d7070ca17e216864da83f9a959bd39a52c4d87994c84489749e52d385ffc509/t-koch-vs-p-cornejo |
| 1971-07-26 | L | Dick Dell | Tanglewood | ATP 250 | R64 | Hard | DEF | https://tennis-db.com/matches/sackmann_atp:62019a3d9db7579c2086dfda805514b0d6edad5233d79f9e6379ade061685984/dick-dell-vs-t-koch |
| 1971-06-25 | L | F. Stolle | Wimbledon | Grand Slam | R64 | Grass | 3-6 4-6 4-6 | https://tennis-db.com/matches/sackmann_atp:1d9d1f9c86f36dc689d6d4aff4e5515f3c52051b001d3a4d62ea6efea43e033d/f-stolle-vs-t-koch |
| 1971-06-23 | W | P. Szoke | Wimbledon | Grand Slam | R128 | Grass | 7-5 6-2 6-2 | https://tennis-db.com/matches/sackmann_atp:2f424e24763feb06840de1fb843b84ffed9d0002ea3ece63876ae616ef860dcd/t-koch-vs-p-szoke |
| 1971-05-31 | L | John Cooper | Manchester | ATP 250 | R16 | Grass | 4-6 7-5 4-6 | https://tennis-db.com/matches/sackmann_atp:bf86a754d18b64febff76beaf64f71e615b3268f0ea8054ca4c8e55c54bab3b4/john-cooper-vs-t-koch |
| 1971-05-31 | W | B. Freer | Manchester | ATP 250 | R32 | Grass | 6-0 6-8 12-10 | https://tennis-db.com/matches/sackmann_atp:549f99c41b6e7829543d3101471d19c1c2d8b3f2747c975c3668eee95a4bf81f/t-koch-vs-b-freer |
| 1971-05-31 | W | G. Perkins | Manchester | ATP 250 | R64 | Grass | 6-3 6-4 | https://tennis-db.com/matches/sackmann_atp:3bcd3d2696a1811fbb037557105e1783c2b899a97719843c6c76c84cfaac6285/t-koch-vs-g-perkins |
| 1971-05-31 | W | John Barrett | Manchester | ATP 250 | R128 | Grass | 6-4 8-6 | https://tennis-db.com/matches/sackmann_atp:aa9a518f8cd1edde44e3ee4f1998cf9633477d3735413653a67c977e2984313a/t-koch-vs-john-barrett |
| 1971-05-23 | L | I. Nastase | Roland Garros | Grand Slam | R128 | Clay | 2-6 2-6 4-6 | https://tennis-db.com/matches/sackmann_atp:b99aa9f06405bed6348aa116dec8160367251b57a3bcaf23da5946d59120c67b/i-nastase-vs-t-koch |

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Canonical URL: https://tennis-db.com/players/4463470/t-koch/matches
Data source: TennisDB (tennis-db.com)