74–66Win–Loss
52.9%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 51 | 42 | 54.8% |
| Clay | 12 | 11 | 52.2% |
| Carpet | 8 | 8 | 50.0% |
| Grass | 3 | 5 | 37.5% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2002 | 1 | 4 | 0 | 20.0% |
| 2001 | 16 | 18 | 0 | 47.1% |
| 2000 | 21 | 14 | 0 | 60.0% |
| 1999 | 2 | 0 | 0 | 100.0% |
| 1998 | 4 | 8 | 0 | 33.3% |
| 1997 | 13 | 8 | 0 | 61.9% |
| 1996 | 10 | 7 | 1 | 58.8% |
| 1995 | 3 | 4 | 0 | 42.9% |
| 1994 | 1 | 2 | 0 | 33.3% |
| 1993 | 3 | 1 | 0 | 75.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2002-10-21 | Seoul CH | R16 | L | Mario Ancic | 114 | 7-6(7) 6-2 |
| 2002-10-21 | Seoul CH | R32 | W | Seung Kyu Park | 741 | 6-2 6-3 |
| 2002-02-08 | Davis Cup G1 QF: KOR vs JPN | RR | L | Gouichi Motomura | 241 | 3-6 6-2 6-2 6-3 |
| 2002-02-08 | Davis Cup G1 QF: KOR vs JPN | RR | L | Takao Suzuki | 228 | 7-5 6-4 6-3 |
| 2002-01-14 | Australian Open | Q1 | L | Aisam Ul Haq Qureshi | 243 | 6-0 6-1 |
| 2001-10-22 | Seoul CH | R32 | L | Gouichi Motomura | 302 | 2-6 6-0 6-3 |
| 2001-10-01 | Tokyo | R64 | L | Tomas Zib | 203 | 6-3 6-1 |
| 2001-09-17 | Shanghai | R16 | L | Noam Behr | 144 | 7-6(3) 6-7(6) 6-2 |
| 2001-09-17 | Shanghai | R32 | W | Thomas Shimada | 1090 | 6-4 6-4 |
| 2001-08-27 | US Open | Q1 | W | Richard Fromberg | 183 | 7-6(5) 7-6(9) |
| 2001-08-27 | US Open | Q2 | L | Noam Okun | 150 | 6-3 3-6 7-6(4) |
| 2001-08-13 | Bronx CH | R16 | L | Andy Ram | 254 | 6-4 6-4 |
| 2001-08-13 | Bronx CH | R32 | W | Kyle Kliegerman | – | 6-4 6-3 |
| 2001-08-06 | Binghamton CH | R32 | L | Scott Draper | 331 | 3-6 7-5 6-3 |
| 2001-07-30 | Lexington CH | SF | L | Jack Brasington | 272 | 7-6(3) 7-5 |
| 2001-07-30 | Lexington CH | QF | W | Cedric Kauffmann | 230 | 6-2 4-6 6-3 |
| 2001-07-30 | Lexington CH | R16 | W | Alex Kim | 495 | 7-6(2) 6-1 |
| 2001-07-30 | Lexington CH | R32 | W | Trent Aaron | – | 7-6(3) 6-0 |
| 2001-06-25 | Wimbledon | Q1 | W | Sergio Roitman | 266 | 6-2 6-3 |
| 2001-06-25 | Wimbledon | Q2 | W | Ivo Karlovic | 290 | 6-1 6-2 |
| 2001-06-25 | Wimbledon | Q3 | W | Jimy Szymanski | 271 | 4-6 6-3 7-6(7) 6-3 |
| 2001-06-25 | Wimbledon | R128 | L | Yevgeny Kafelnikov | 7 | 6-4 6-2 6-4 |
| 2001-06-04 | Surbiton CH | R32 | L | Gianluca Pozzi | 60 | 6-2 7-5 |
| 2001-05-28 | Roland Garros | Q1 | W | Nenad Zimonjic | 206 | 6-0 4-6 6-2 |
| 2001-05-28 | Roland Garros | Q2 | L | John Van Lottum | 199 | 6-4 6-1 |
| 2001-05-14 | Rocky Mount CH | SF | L | Ramon Delgado | 331 | 6-3 6-3 |
| 2001-05-14 | Rocky Mount CH | QF | W | David Wheaton | 333 | 7-6(3) 3-6 6-2 |
| 2001-05-14 | Rocky Mount CH | R16 | W | Mario Munoz Bejarano | 378 | 7-5 6-4 |
| 2001-05-14 | Rocky Mount CH | R32 | W | Alejandro Hernandez | 192 | 6-0 6-2 |
| 2001-05-07 | Birmingham CH | R32 | L | Cecil Mamiit | 110 | 6-1 7-5 |
| 2001-04-06 | Davis Cup G1 PO: KOR vs INA | RR | W | Suwandi Suwandi | 291 | 6-3 7-6(3) 6-2 |
| 2001-03-19 | Hamilton CH | R32 | L | Scott Barron | 263 | 6-3 2-2 RET |
| 2001-03-12 | Perth CH | R16 | L | Kalle Flygt | 328 | 6-3 3-6 6-3 |
| 2001-03-12 | Perth CH | R32 | W | Brandon Hawk | 305 | 6-4 1-6 6-2 |
| 2001-03-05 | Kyoto CH | R16 | L | Barry Cowan | 224 | 6-4 3-6 7-6(5) |
| 2001-03-05 | Kyoto CH | R32 | W | Martin Spottl | 360 | 4-6 6-3 6-4 |
| 2001-02-26 | Singapore CH | R32 | L | Michael Joyce | 246 | 6-7(0) 6-0 6-4 |
| 2001-02-19 | Ho Chi Minh CH | R32 | L | John Van Lottum | 266 | 7-6(5) 6-0 |
| 2001-01-15 | Australian Open | Q1 | L | Leander Paes | 196 | 7-5 6-4 |
| 2000-11-13 | Osaka CH | SF | L | Michel Kratochvil | 120 | 6-4 1-6 6-1 |
| 2000-11-13 | Osaka CH | QF | W | Jan Hernych | 301 | 5-7 6-3 6-3 |
| 2000-11-13 | Osaka CH | R16 | W | Gouichi Motomura | 219 | 0-6 6-2 7-6(3) |
| 2000-11-13 | Osaka CH | R32 | W | Herbert Wiltschnig | 300 | 6-2 6-1 |
| 2000-11-06 | Seoul CH | SF | L | Hyung Taik Lee | 120 | 2-6 7-5 6-3 |
| 2000-11-06 | Seoul CH | QF | W | Vasilis Mazarakis | 255 | 6-3 7-5 |
| 2000-11-06 | Seoul CH | R16 | W | Oleg Ogorodov | 224 | 7-5 6-2 |
| 2000-11-06 | Seoul CH | R32 | W | Hyeong Keun Song | 1091 | 6-3 6-1 |
| 2000-10-30 | Yokohama CH | R32 | L | Michihisa Onoda | 670 | 4-6 6-4 6-4 |
| 2000-10-09 | Tokyo | R16 | L | Mark Philippoussis | 14 | 7-6(7) 6-4 |
| 2000-10-09 | Tokyo | R32 | W | David Prinosil | 60 | 4-6 7-5 6-1 |