71–84Menang–Kalah
45.8%% Menang
0Gelar
| Lapangan | W | L | % |
|---|---|---|---|
| Hard | 65 | 68 | 48.9% |
| Clay | 2 | 8 | 20.0% |
| Carpet | 4 | 5 | 44.4% |
| Grass | 0 | 3 | 0.0% |
Musim per musim
| Tahun | W | L | Gelar | % |
|---|---|---|---|---|
| 2011 | 2 | 3 | 0 | 40.0% |
| 2010 | 8 | 12 | 0 | 40.0% |
| 2009 | 31 | 27 | 0 | 53.4% |
| 2008 | 8 | 10 | 0 | 44.4% |
| 2007 | 12 | 13 | 0 | 48.0% |
| 2006 | 2 | 4 | 0 | 33.3% |
| 2005 | 4 | 8 | 0 | 33.3% |
| 2004 | 1 | 2 | 0 | 33.3% |
| 2003 | 3 | 4 | 0 | 42.9% |
| 2002 | 0 | 1 | 0 | 0.0% |
Pertandingan
| Tanggal | Turnamen | Babak | W/L | Lawan | Rank lawan | Skor |
|---|---|---|---|---|---|---|
| 2008-03-03 | Kyoto CH | R32 | W | Koki Matsunaga | – | 6-1 6-2 |
| 2007-11-12 | Kaohsiung CH | QF | L | Cecil Mamiit | 709 | 7-5 6-1 |
| 2007-11-12 | Kaohsiung CH | R16 | W | Dekel Valtzer | 430 | 6-4 6-3 |
| 2007-11-12 | Kaohsiung CH | R32 | W | Jae Sung An | 440 | 2-6 6-2 6-3 |
| 2007-10-29 | Busan CH | SF | L | Ivo Minar | 139 | 6-0 7-6(3) |
| 2007-10-29 | Busan CH | QF | W | Wayne Odesnik | 127 | 6-3 3-6 6-0 |
| 2007-10-29 | Busan CH | R16 | W | Harel Levy | 181 | 6-2 3-6 6-2 |
| 2007-10-29 | Busan CH | R32 | W | Vasilis Mazarakis | 256 | 6-1 6-1 |
| 2007-10-22 | Seoul CH | R16 | L | Harel Levy | 198 | 6-4 7-6(9) |
| 2007-10-22 | Seoul CH | R32 | W | Bobby Reynolds | 117 | 6-3 2-6 6-4 |
| 2007-10-01 | Tokyo | Q1 | L | Luka Gregorc | 543 | 6-4 6-7(4) 6-1 |
| 2007-08-27 | US Open | Q2 | L | Andrei Pavel | 98 | 6-4 6-4 |
| 2007-08-27 | US Open | Q1 | W | Jan Mertl | 173 | 7-6(1) 7-5 |
| 2007-08-06 | Binghamton CH | R32 | L | Marcus Sarstrand | 468 | 6-1 6-0 |
| 2007-07-30 | Vancouver CH | R16 | L | Rik De Voest | 125 | 6-4 6-3 |
| 2007-07-30 | Vancouver CH | R32 | W | Nikita Kryvonos | 444 | 6-4 6-2 |
| 2007-07-23 | Lexington CH | R32 | L | John Isner | 745 | 6-3 6-7(4) 6-3 |
| 2007-07-16 | Aptos CH | R32 | L | Todd Widom | 312 | 4-6 6-2 6-4 |
| 2007-06-11 | Astana CH | QF | L | Mikhail Ledovskikh | 283 | 6-0 2-6 6-2 |
| 2007-06-11 | Astana CH | R16 | W | Giancarlo Petrazzuolo | 336 | 1-6 6-4 7-6(8) |
| 2007-06-11 | Astana CH | R32 | W | Ti Chen | 264 | 6-1 6-4 |
| 2007-05-28 | Busan CH | R32 | L | Scott Oudsema | 277 | 6-4 7-6(3) |
| 2007-04-06 | Davis Cup G1 R2: KOR vs UZB | RR | W | Farrukh Dustov | 176 | 6-0 6-2 4-6 7-5 |
| 2007-02-05 | Burnie CH | R16 | L | Greg Jones | 1539 | 7-5 6-2 |
| 2007-02-05 | Burnie CH | R32 | W | Andrew Roberts | 937 | 6-3 6-2 |
| 2007-01-08 | Auckland | Q1 | L | Guillermo Garcia Lopez | 65 | 6-4 6-0 |
| 2006-10-30 | Seoul CH | R16 | L | Hyung Taik Lee | 56 | 6-0 6-3 |
| 2006-10-30 | Seoul CH | R32 | W | Jan Mertl | 193 | 4-6 6-4 6-2 |
| 2006-08-21 | Bukhara CH | R32 | L | Ti Chen | 303 | 6-3 6-4 |
| 2006-08-14 | Samarkand CH | R32 | L | Diego Alvarez | 484 | 6-4 6-3 |
| 2006-01-16 | Australian Open | Q1 | W | David Marrero | 279 | 6-1 6-4 |
| 2006-01-16 | Australian Open | Q2 | L | Denis Gremelmayr | 177 | 6-1 6-4 |
| 2005-10-31 | Busan CH | R32 | L | Hyung Taik Lee | 91 | 7-5 6-4 |
| 2005-10-24 | Seoul CH | R32 | L | John Van Lottum | 1114 | 6-4 6-0 |
| 2005-09-23 | Davis Cup G2 F: NZL vs KOR | RR | L | Mark Nielsen | 341 | 0-6 4-6 6-4 6-0 5-2 RET |
| 2005-08-22 | Bukhara CH | R32 | L | Denis Istomin | 243 | 3-6 7-6(5) 6-2 |
| 2005-08-15 | Samarkand CH | QF | L | Boris Pashanski | 160 | 4-6 6-3 6-1 |
| 2005-08-15 | Samarkand CH | R16 | W | Ivan Sergeyev | 1127 | 7-5 7-5 |
| 2005-08-15 | Samarkand CH | R32 | W | Denis Matsukevitch | 462 | 6-4 6-3 |
| 2005-07-18 | Tarzana CH | R16 | L | Paul Baccanello | 287 | 6-7(2) 6-3 6-1 |
| 2005-07-18 | Tarzana CH | R32 | W | Rohan Bopanna | 372 | 6-4 6-2 |
| 2005-05-23 | Busan CH | R32 | L | Jimmy Wang | 156 | 6-3 6-0 |
| 2005-03-07 | Kyoto CH | R16 | L | Pavel Snobel | 211 | 6-4 1-0 RET |
| 2005-03-07 | Kyoto CH | R32 | W | Chris Guccione | 277 | 6-3 5-7 7-6(4) |
| 2004-09-06 | Seoul CH | R32 | L | Nathan Healey | 394 | 6-3 6-7(2) 6-1 |
| 2004-03-29 | Busan CH | R32 | L | Victor Bruthans | 300 | 6-4 2-6 6-2 |
| 2004-02-06 | Davis Cup G2 R1: MAS vs KOR | RR | W | Adam Jaya | – | 7-5 6-4 |
| 2003-09-19 | Davis Cup G1 PO: PAK vs KOR | RR | L | Aqeel Khan | – | 6-3 6-3 6-4 |
| 2003-09-19 | Davis Cup G1 PO: PAK vs KOR | RR | L | Aisam Ul Haq Qureshi | 486 | 6-1 6-2 6-4 |
| 2003-06-09 | Busan CH | SF | L | Tasuku Iwami | 350 | 7-5 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0