Player data updated: 2026-09-08 02:15 UTC

Photo of Stefan Koubek, professional tennis player

Stefan Koubek

AUT Age 49 175 cm / 5'9" Plays: Left-Handed, Two-Handed Backhand ATP Tour years active: 1994–2011

Stefan Koubek represented Austria on the ATP Tour and reached a career high of No. 20. TennisDB's records show a singles record of 195–235 and 3 singles titles.

Peak singles rank
20 (Mar 13, 2000)
Elo peak
1796 (70th percentile)
Singles record
195–235 (45.3%)
Singles titles
3
Prize money
$3,365,024

Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.

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ATP Matches full match log →

Stefan Koubek's recent, live, and scheduled ATP matches
OpponentScoreResultH2HMatch DataDateRoundTournamentCategorySurface
Yuri Schukin #121 4-6 4-6 L H2H Match data Apr 4, 2011 Q1 Q Casablanca ATP 250 Clay
Greg Jones #281 2-6 3-6 L H2H Match data Mar 10, 2011 Q1 Q Indian Wells Open Masters 1000 Hard
Radek Stepanek #63 3-6 2-6 L H2H Match data Feb 3, 2011* R32 Zagreb ATP 250 Hard
Attila Balazs #198 6-2 6-1 W H2H Match data Feb 1, 2011* Q3 Q Zagreb ATP 250 Hard
Christopher Kas #1003 6-1 6-4 W H2H Match data Jan 31, 2011 Q2 Q Zagreb ATP 250 Hard

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Stefan Koubek's most-played ATP rivals
OpponentWLMLast PlayedH2H
Feliciano Lopez 3 5 8 Feb 24, 2010 H2H
Carlos Moya 4 4 8 Jan 16, 2008 H2H
Juan Carlos Ferrero 3 5 8 May 31, 2007 H2H
Ivan Ljubicic 3 4 7 Jan 3, 2008 H2H
Nicolas Lapentti 2 5 7 Jul 28, 2006 H2H

Singles Titles (3)

Stefan Koubek singles titles by season and category
SeasonAgeSingles titlesGS Masters 1000 including documented historical predecessor categories ATP 500 including documented historical predecessor categories ATP 250 including documented historical predecessor categories ATP FinalsTournaments
199922 1 1 Atlanta
200023 1 1 Delray Beach Open
200326 1 1 Qatar Open
Total 3 3

Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Results

Stefan Koubek career results by season
SeasonAgeTypeWLMWin %Start RankEnd Rank
199417ATP0110.0%1,1931,219
199619ATP12333.3%548311
199720ATP42666.7%310125
199821ATP24633.3%12593
199922ATP29255453.7%9346
200023ATP26275349.1%4054
200124ATP20224247.6%5463
200225ATP18314936.7%6454
200326ATP19244344.2%4053
200427ATP22244647.8%5360
200528ATP6152128.6%60182
200629Qualifying Q52771.4%
200629ATP1492360.9%18480
200730Qualifying Q31475.0%
200730ATP22264845.8%8047
200831Qualifying Q0110.0%
200831ATP36933.3%68192
200932Qualifying Q43757.1%
200932ATP6111735.3%188135
201033Qualifying Q1672369.6%
201033ATP35837.5%135131
201134Qualifying Q54955.6%
201134ATP0110.0%131647
Career19523543045.3%

Career Results by Surface

Stefan Koubek career results by season and surface
SeasonAgeType HardClayGrassCarpetTotal
WLMWin %WLMWin %WLMWin %WLMWin % WLMWin %
199417ATP 0110.0% 0110.0%
199619ATP 12333.3% 12333.3%
199720ATP 11250.0%31475.0% 42666.7%
199821ATP 0220.0%22450.0% 24633.3%
199922ATP 27922.2%25133865.8%0110.0%24633.3% 29255453.7%
200023ATP 18143256.3%7101741.2%12333.3%0110.0% 26275349.1%
200124ATP 12132548.0%871553.3%0220.0% 20224247.6%
200225ATP 8172532.0%791643.8%33650.0%0220.0% 18314936.7%
200326ATP 9112045.0%691540.0%23540.0%21366.7% 19244344.2%
200427ATP 8101844.4%10112147.6%12333.3%31475.0% 22244647.8%
200528ATP 371030.0%371030.0%0110.0% 6152128.6%
200629Qualifying Q 41580.0%11250.0% 52771.4%
200629ATP 641060.0%44850.0%41580.0% 1492360.9%
200730Qualifying Q 202100.0%11250.0% 31475.0%
200730ATP 15153050.0%681442.9%0220.0%11250.0% 22264845.8%
200831Qualifying Q 0110.0% 0110.0%
200831ATP 36933.3% 36933.3%
200932Qualifying Q 32560.0%11250.0% 43757.1%
200932ATP 45944.4%14520.0%12333.3% 6111735.3%
201033Qualifying Q 1141573.3%32560.0%21366.7% 1672369.6%
201033ATP 33650.0%0110.0%0110.0% 35837.5%
201134Qualifying Q 53862.5%0110.0% 54955.6%
201134ATP 0110.0% 0110.0%
Career9211620844.2%838917248.3%8192729.6%12112352.2%19523543045.3%

Career Results by Opponent Rank

Stefan Koubek career results by season and opponent rank
SeasonAge 1-1011-3031-100100+Total
WLMWin %WLMWin %WLMWin %WLMWin % WLMWin %
199417 0000000110.0% 0110.0%
199619 00000110.0%11250.0% 12333.3%
199720 00101100.0%12333.3%202100.0% 42666.7%
199821 000110.0%101100.0%13425.0% 24633.3%
199922 0440.0%44850.0%14132751.9%1041471.4% 28255352.8%
200023 0440.0%291118.2%1682466.7%851361.5% 26265250.0%
200124 13425.0%35837.5%10112147.6%63966.7% 20224247.6%
200225 13425.0%4101428.6%7152231.8%62875.0% 18304837.5%
200326 0770.0%34742.9%9112045.0%72977.8% 19244344.2%
200427 45944.4%561145.5%1081855.6%25728.6% 21244546.7%
200528 000330.0%26825.0%36933.3% 5152025.0%
200629 11250.0%12333.3%751258.3%51683.3% 1492360.9%
200730 0330.0%571241.7%12112352.2%551050.0% 22264845.8%
200831 0013425.0%12333.3%11250.0% 36933.3%
200932 000440.0%54955.6%12333.3% 6101637.5%
201033 0220.0%0022450.0%11250.0% 35837.5%
201134 00000110.0%00 0110.0%
Career 7323917.9%29588733.3%9710019749.2%594210158.4% 19223242445.3%

Opponent ranking data available for 424/430 (98.6%) of Stefan Koubek's ATP main draw matches.

Performance Stats

Stefan Koubek performance statistics by season
SeasonAgeSampleAces/MDFs/M1st Sv%1st Sv Pts%2nd Sv Pts%BP Saved%BP Conv%Svc Pts%Ret Pts%
199417 1/1 0.0 1.0 76.1% 45.7% 18.2% 0.0% 28.6% 39.1% 37.7%
199619 3/3 1.0 3.7 66.3% 48.8% 38.8% 48.3% 43.4% 45.6% 39.8%
199720 5/6 3.2 3.2 61.8% 61.8% 57.4% 46.6% 51.3% 60.1% 47.7%
199821 6/6 2.8 3.0 61.9% 64.4% 44.5% 49.8% 42.8% 56.9% 37.5%
199922 46/54 2.6 2.3 58.6% 66.4% 52.1% 56.8% 40.4% 60.8% 39.5%
200023 38/53 4.2 3.9 59.6% 67.7% 49.6% 52.4% 40.4% 60.2% 37.0%
200124 38/42 3.5 3.4 58.2% 66.1% 50.6% 58.1% 43.5% 59.4% 36.3%
200225 39/49 3.5 3.7 58.9% 65.2% 48.6% 48.7% 40.1% 58.3% 37.2%
200326 43/43 2.7 2.8 60.0% 65.0% 51.0% 58.8% 39.9% 59.5% 38.5%
200427 45/46 3.6 3.0 63.1% 65.9% 50.1% 55.2% 39.2% 60.1% 37.6%
200528 21/21 4.3 3.7 60.1% 63.6% 48.3% 56.0% 42.7% 57.4% 36.9%
200629 22/23 3.5 3.3 55.8% 68.2% 51.8% 58.7% 40.8% 60.7% 39.0%
200730 48/48 4.0 2.7 59.2% 67.9% 52.4% 56.6% 46.6% 61.4% 37.4%
200831 9/9 4.6 3.6 58.6% 65.0% 42.6% 46.4% 40.7% 55.7% 34.1%
200932 17/17 3.8 3.1 54.3% 70.4% 50.5% 42.5% 38.1% 60.9% 36.2%
201033 8/8 4.8 3.3 60.6% 61.5% 48.0% 42.1% 41.7% 56.6% 37.6%
201134 1/1 0.0 2.0 74.0% 51.4% 30.8% 16.7% 100.0% 46.0% 30.2%
Career 390/430 3.5 3.1 59.5% 66.0% 50.2% 54.1% 41.6% 59.6% 37.7%

Detailed serve and return statistics available for 390/430 (90.7%) of Stefan Koubek's ATP main draw matches.

Advanced Stats

Stefan Koubek advanced statistics by season
Season Age Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
1994 17 1485 97.3 +0.16 -0.91 0.620 38.4% 0.0% -3.50 +0.13
1996 19 1482 96.6 -2.52 -2.52 0.731 43.0% +24 28.6% -1.86 1–0 +0.08
1997 20 1543 118.6 -0.10 +1.82 1.193 53.2% +48 62.5% +1.00 2–2 (50%) 1–1 +0.15
1998 21 1533 108.9 -0.90 -0.95 0.869 47.6% +69 33.3% -0.80 2–1 (67%) 2–1 (67%) +0.21
1999 22 1681 136.8 -0.61 +1.04 1.009 50.2% -157 +114 51.6% +0.05 5–5 (50%) 7–7 (50%) 100.7 -0.19
2000 23 1625 128.0 -1.07 -0.50 0.930 48.8% +9 +46 -98 48.5% -0.25 9–8 (53%) 10–10 (50%) 102.0 +1.65
2001 24 1698 130.5 -1.96 -0.75 0.896 48.3% -36 -2 45.3% -0.31 9–7 (56%) 9–4 (69%) 107.7 -0.37
2002 25 1578 131.6 -3.16 -0.15 0.892 47.7% -9 +101 -81 40.5% -0.74 5–8 (38%) 12–7 (63%) 102.3 -0.55
2003 26 1648 134.0 -1.86 +1.04 0.952 49.2% -22 0 -152 46.3% -0.27 4–8 (33%) 9–2 (82%) 102.4 -1.35
2004 27 1757 132.2 -2.49 +0.57 0.941 48.8% -16 -76 -256 45.5% -0.22 11–2 (85%) 9–7 (56%) 114.2 -1.10
2005 28 1570 110.6 -3.42 -1.33 0.865 47.6% +70 +14 35.8% -0.96 1–6 (14%) 3–4 (43%) 94.3 +0.80
2006 29 1694 126.5 -1.41 +1.06 0.991 49.7% +45 -95 51.7% -0.05 9–2 (82%) 6–2 (75%) 112.1 +0.80
2007 30 1763 141.7 -1.17 +0.49 0.969 49.6% +25 -117 47.8% -0.16 8–9 (47%) 9–7 (56%) 103.2 -0.82
2008 31 1704 118.9 -4.34 -0.28 0.769 45.0% +16 42.3% -0.69 1–2 (33%) 4–2 (67%) 99.7 -0.40
2009 32 1639 122.2 -1.09 -0.53 0.926 48.9% +44 -39 -164 41.3% -0.28 1–3 (25%) 1–6 (14%) 93.5 -0.24
2010 33 1633 125.7 -2.71 +0.54 0.867 46.8% +123 47.6% +0.09 1–1 2–3 (40%) +0.03
2011 34 1603 113.9 -0.31 -0.24 0.560 38.7% 0.0% -3.50 -0.19
Career 1796 135.7 -1.82 +0.18 0.932 48.8% -3 +19 -140 45.7% -0.31 69–64 (52%) 84–63 (57%) 111.6 -0.32

Tournament Results by Category

Grand Slams

Stefan Koubek Grand Slams results by season
SeasonAge AORGWUSO W-L
Win %
199922 R128R16R128R128 3–4 (43%)
200023 R32R64R64R64 5–4 (56%)
200124 R64R128R128R128 1–4 (20%)
200225 QFR128R64R128 5–4 (56%)
200326 R128R64R64R64 3–4 (43%)
200427 R128R32R64R32 5–4 (56%)
200528 R128R128R128 0–3 (0%)
200629 Q2Q2R128 5–3 (62%)
200730 R128R64R128R32 3–4 (43%)
200831 R32 2–1 (67%)
200932 R64R128R64Q3 4–4 (50%)
201033 R32Q1R128Q2 8–5 (62%)
201134 Q2 1–1 (50%)
W-L 17–12
(59%)
9–11
(45%)
7–11
(39%)
12–11
(52%)
45–45
(50%)

Masters 1000

Stefan Koubek Masters 1000 results by season
SeasonAge CANCINHAMIWMADMCMIAPARITASTU W-L
Win %
199922 R32 1–1 (50%)
200023 R32R16R64R64R64R64R64 3–7 (30%)
200124 R16R64R128R32 3–4 (43%)
200225 R16R64QFR32R64R32R128R64R64 7–9 (44%)
200326 R64R64R64R64R128R64 0–6 (0%)
200427 R16R64R64 3–3 (50%)
200528 R64R128 0–2 (0%)
200730 Q2R128R16R128 5–4 (56%)
200831 R128 0–1 (0%)
200932 R128 0–1 (0%)
201033 R128Q1Q2 3–3 (50%)
201134 Q1 0–1 (0%)
W-L 3–2
(60%)
4–5
(44%)
4–4
(50%)
3–7
(30%)
6–3
(67%)
1–4
(20%)
2–10
(17%)
1–2
(33%)
0–4
(0%)
1–1
(50%)
25–42
(37%)

ATP 500

Stefan Koubek ATP 500 results by season
SeasonAge MEXBARDUBHAMAUSNAPROTSTUTKYVIESTUMEMMEX W-L
Win %
199821 R64 0–1 (0%)
199922 SFR32QFR64 6–4 (60%)
200023 R32QFSF 6–3 (67%)
200124 QFR64SF 6–3 (67%)
200225 R64R32R16R32R64R32 2–6 (25%)
200326 R32R64R32R64R16 1–5 (17%)
200427 R16R64R32R32R16R16 5–6 (45%)
200528 R64R16R64R64R32 2–5 (29%)
200629 R16R16R32QF 6–4 (60%)
200730 R64R16R16QF 4–4 (50%)
200831 R32 0–1 (0%)
200932 Q2R16 2–2 (50%)
201033 R16 3–1 (75%)
W-L 1–1
(50%)
0–3
(0%)
3–3
(50%)
1–1
(50%)
12–8
(60%)
2–3
(40%)
0–2
(0%)
4–5
(44%)
1–4
(20%)
12–10
(55%)
1–1
(50%)
3–3
(50%)
3–1
(75%)
43–45
(49%)

ATP 250

Stefan Koubek ATP 250 results by season
SeasonAge ATLASBBASBEIBRIBUCCHNDLBDOHDUBESTGSTHALMUNHKGKITMTPMETMUNQUESPBSTOSTUUMAVIEWASSTUBOUCASCOPDUTLASLONMERMILMOSMUMNEWEASORLPALPOESANSANSCOSOPST.SYDTASTOUU.SVALZAG W-L
Win %
199417 R32 0–1 (0%)
199619 R64R16 1–2 (33%)
199720 QFR16 4–2 (67%)
199821 R32R64QF 2–3 (40%)
199922 WR32R32R16R16R64R32FQFR16R32R32R16R32R32QFQF 19–16 (54%)
200023 QFR32WR16R32R32R32R32R32R32R32R16R16R16 12–13 (48%)
200124 SFQFR32R32R32R32QFR32R32R16QF 10–11 (48%)
200225 R32R32R32R16R16R32R32R32R32R32R16R16 4–12 (25%)
200326 QFR32R32WQFR16SFR32QFR32 15–9 (62%)
200427 R32SFR16R16R16R64R32R16R16R16R32 9–11 (45%)
200528 R16R32R16R32R16 4–5 (44%)
200629 R16SFR32F 8–4 (67%)
200730 R16FR16R32R32R16RRQFR64R32QFR32R16R16 13–15 (46%)
200831 Q1R32R32R16 1–4 (20%)
200932 QFR32R32R16R32R32Q2 4–7 (36%)
201033 Q3Q1R32 5–3 (62%)
201134 Q2Q1R32 4–3 (57%)
W-L 10–2
(83%)
4–4
(50%)
4–4
(50%)
1–1
(50%)
1–1
(50%)
2–5
(29%)
4–2
(67%)
8–5
(62%)
8–5
(62%)
1–1
(50%)
0–1
(0%)
6–8
(43%)
2–4
(33%)
0–2
(0%)
0–1
(0%)
4–4
(50%)
0–1
(0%)
1–1
(50%)
3–1
(75%)
0–1
(0%)
2–4
(33%)
0–2
(0%)
0–1
(0%)
1–1
(50%)
0–1
(0%)
0–1
(0%)
0–1
(0%)
6–2
(75%)
5–3
(62%)
1–1
(50%)
0–1
(0%)
0–2
(0%)
2–4
(33%)
1–1
(50%)
0–1
(0%)
2–2
(50%)
5–2
(71%)
2–2
(50%)
1–4
(20%)
0–1
(0%)
0–1
(0%)
0–2
(0%)
0–1
(0%)
2–1
(67%)
0–1
(0%)
3–3
(50%)
5–6
(45%)
1–3
(25%)
2–2
(50%)
1–1
(50%)
2–1
(67%)
2–3
(40%)
10–5
(67%)
115–121
(49%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high
20
Career-high date
Mar 13, 2000
First Top 100
Nov 30, 1998
First Top 50
Aug 2, 1999
First Top 20
Mar 13, 2000
First Top 10

Ranking History Matrix

Stefan Koubek ranking history by month and season
SeasonAgeJanFebMarAprMayJunJulAugSepOctNovDec
1994171193117712101232123812091219
1995181211121810051008697656539540540534553548
199619545544493518586610449361366301308311
199720308214223222213191140146119118123125
1998211261481491331281221351451311089493
1999229510288976555544441424646
200023403323233236474550495454
200124546583827784818491656363
200225504946483941424039545454
200326525059637270666863555453
200427929489899695949779736360
2005286870727574788985105196162182
200629179120118118124123110123118798080
200730586565697060686353544747
20083155565862637393109139208194192
200932183266224220199189149140127114136135
201033134135121117117121142138140141132131
201134173206241257285277311315406407646647
201235718904906

Similar Players

Other ATP players with comparable peak level, era, career record, and career scale.

Stefan Koubek's most statistically similar ATP players
Player Country Peak ranking Peak Elo M W L Win % Prize money Titles GS M1000 Years Rivalries Match log
Mariano Zabaleta ARG #21 1,868 409 201 208 49.1% $3,204,127 3 0 0 1995–2008 Rivalries Match log
Jose Acasuso ARG #20 1,830 359 181 178 50.4% $3,642,422 3 0 0 2001–2011 Rivalries Match log
Bohdan Ulihrach CZE #22 1,840 454 218 236 48.0% $3,553,302 3 0 0 1993–2007 Rivalries Match log
Taylor Dent USA #21 1,910 292 152 140 52.1% $2,563,378 4 0 0 1998–2010 Rivalries Match log
Michael Llodra FRA #21 1,902 399 183 216 45.9% $8,533,350 5 0 0 2000–2014 Rivalries Match log
Hicham Arazi MAR #22 1,864 417 202 215 48.4% $3,602,644 1 0 0 1994–2005 Rivalries Match log
Jerome Golmard FRA #22 1,884 283 141 142 49.8% $2,215,784 2 0 0 1994–2004 Rivalries Match log
Xavier Malisse BEL #19 1,894 548 282 266 51.5% $5,702,871 3 0 0 1998–2013 Rivalries Match log
Albert Portas ESP #19 1,826 340 142 198 41.8% $2,972,633 1 0 1 1993–2007 Rivalries Match log
Max Mirnyi BLR #18 1,914 446 221 225 49.6% $11,763,620 1 0 0 1996–2008 Rivalries Match log
Vincent Spadea USA #18 1,876 661 311 350 47.0% $5,004,860 1 0 0 1993–2010 Rivalries Match log
Igor Andreev RUS #18 1,929 439 223 216 50.8% $4,510,376 3 0 0 2003–2013 Rivalries Match log

Frequently Asked Questions

How old is Stefan Koubek?
Stefan Koubek is 49 years old, born on January 2, 1977.
Which country does Stefan Koubek represent?
Stefan Koubek represents Austria in TennisDB's ATP records.
How tall is Stefan Koubek?
Stefan Koubek is 175 cm / 5'9".
Does Stefan Koubek use a one-handed or two-handed backhand?
Stefan Koubek uses a two-handed backhand.
Is Stefan Koubek left-handed or right-handed?
Stefan Koubek plays left-handed.
How many Grand Slam singles titles has Stefan Koubek won?
Stefan Koubek has not won a Grand Slam singles title.
How many Masters 1000 titles has Stefan Koubek won?
TennisDB does not group any of Stefan Koubek's titles under the modern Masters 1000 category.
How many ATP titles has Stefan Koubek won?
Stefan Koubek has won 3 ATP singles titles across all categories. The most recent was Doha in 2003.
What is Stefan Koubek's highest ATP ranking?
Stefan Koubek's career-high ATP singles ranking is world No. 20, first achieved on March 13, 2000.
What is Stefan Koubek's career win-loss record?
Stefan Koubek has a career ATP singles record of 195 wins and 235 losses (45.3%).
How much career prize money has Stefan Koubek earned?
Stefan Koubek has earned at least $3,365,024 in career prize money from professional tennis.
What turned-professional year does TennisDB record for Stefan Koubek?
TennisDB records 1994 as Stefan Koubek's turned-professional year.
Which seasons of Stefan Koubek's career appear in TennisDB?
Stefan Koubek appears in TennisDB's ATP main-tour match records from 1994 through 2011.
On which surface does Stefan Koubek have the highest recorded win rate?
Among surfaces with at least 20 recorded matches, Stefan Koubek's highest ATP main-draw win rate is on carpet: 52.2% (12–11).
Who has Stefan Koubek faced most often?
Stefan Koubek's most frequent opponent is Feliciano Lopez, with a head-to-head record of 3–5 across 8 meetings.