314–227Menang–Kalah
58.0%% Menang
1Gelar
| Lapangan | W | L | % |
|---|---|---|---|
| Hard | 215 | 147 | 59.4% |
| Clay | 43 | 43 | 50.0% |
| Grass | 26 | 24 | 52.0% |
| Carpet | 30 | 13 | 69.8% |
Musim per musim
| Tahun | W | L | Gelar | % |
|---|---|---|---|---|
| 2015 | 0 | 1 | 0 | 0.0% |
| 2009 | 4 | 7 | 0 | 36.4% |
| 2008 | 27 | 19 | 2 | 58.7% |
| 2007 | 28 | 26 | 0 | 51.9% |
| 2006 | 50 | 24 | 3 | 67.6% |
| 2005 | 23 | 22 | 1 | 51.1% |
| 2004 | 35 | 22 | 1 | 61.4% |
| 2003 | 23 | 22 | 2 | 51.1% |
| 2002 | 28 | 22 | 1 | 56.0% |
| 2001 | 25 | 26 | 1 | 49.0% |
| 2000 | 37 | 18 | 2 | 67.3% |
| 1999 | 10 | 7 | 1 | 58.8% |
| 1998 | 7 | 1 | 0 | 87.5% |
| 1997 | 3 | 2 | 0 | 60.0% |
| 1996 | 7 | 5 | 0 | 58.3% |
| 1995 | 7 | 2 | 0 | 77.8% |
| 1994 | 0 | 1 | 0 | 0.0% |
Riwayat peringkat
Pertandingan
| Tanggal | Turnamen | Babak | W/L | Lawan | Rank lawan | Skor |
|---|---|---|---|---|---|---|
| 2015-04-27 | An-Ning CH | R32 | L | Jordan Thompson | 207 | 6-3 6-2 |
| 2009-10-26 | Seoul CH | R32 | L | Soong Jae Cho | 775 | 6-4 0-1 RET |
| 2009-07-10 | Davis Cup G1 PO: KOR vs CHN | RR | W | Shao Xuan Zeng | 542 | 6-3 6-4 6-2 |
| 2009-03-16 | Bangkok CH | R16 | L | Marsel Ilhan | 223 | 6-2 4-1 RET |
| 2009-03-16 | Bangkok CH | R32 | W | Tim Smyczek | 340 | 6-1 6-4 |
| 2009-03-09 | Kyoto CH | R32 | L | Tatsuma Ito | 333 | 6-3 6-1 |
| 2009-03-06 | Davis Cup G1 R2: UZB vs KOR | RR | L | Denis Istomin | 104 | 6-3 1-6 6-3 3-6 6-3 |
| 2009-03-06 | Davis Cup G1 R2: UZB vs KOR | RR | W | Farrukh Dustov | 654 | 7-5 7-6(8) 6-4 |
| 2009-01-26 | Carson CH | R16 | L | Cecil Mamiit | 461 | 6-4 6-4 |
| 2009-01-26 | Carson CH | R32 | W | Brendan Evans | 156 | 6-4 7-5 |
| 2009-01-19 | Australian Open | Q1 | L | Marc Lopez | 246 | 6-4 1-6 6-3 |
| 2009-01-05 | Chennai | R32 | L | Marcel Granollers | 55 | 6-4 7-5 |
| 2008-11-24 | Toyota CH | F | L | Go Soeda | 119 | 6-2 7-6(7) |
| 2008-11-24 | Toyota CH | SF | W | Sebastien De Chaunac | 258 | 7-6(2) 3-6 6-4 |
| 2008-11-24 | Toyota CH | QF | W | Brendan Evans | 183 | 7-5 7-5 |
| 2008-11-24 | Toyota CH | R16 | W | George Bastl | 243 | 4-6 6-4 6-2 |
| 2008-11-24 | Toyota CH | R32 | W | Alexander Slabinsky | 287 | 7-5 6-1 |
| 2008-11-17 | Yokohama CH | F | W | Go Soeda | 128 | 7-5 6-3 |
| 2008-11-17 | Yokohama CH | SF | W | Sam Groth | 265 | 5-7 6-3 6-2 |
| 2008-11-17 | Yokohama CH | QF | W | Aisam Ul Haq Qureshi | 221 | 4-6 6-4 6-4 |
| 2008-11-17 | Yokohama CH | R16 | W | Grzegorz Panfil | 353 | 6-3 6-2 |
| 2008-11-17 | Yokohama CH | R32 | W | Kento Takeuchi | 522 | 6-1 6-3 |
| 2008-10-27 | Busan CH | QF | L | Ivo Minar | 94 | 7-5 6-7(8) 7-5 |
| 2008-10-27 | Busan CH | R16 | W | Robert Smeets | 179 | 6-2 6-4 |
| 2008-10-27 | Busan CH | R32 | W | Soong Jae Cho | 1080 | 6-2 6-3 |
| 2008-10-20 | Seoul CH | F | W | Ivo Minar | 105 | 6-4 6-0 |
| 2008-10-20 | Seoul CH | SF | W | Yen Hsun Lu | 65 | 6-3 1-0 RET |
| 2008-10-20 | Seoul CH | QF | W | Daniel Brands | 163 | 6-2 6-2 |
| 2008-10-20 | Seoul CH | R16 | W | Mathieu Montcourt | 161 | 6-1 6-2 |
| 2008-10-20 | Seoul CH | R32 | W | Jae Sung An | 382 | 6-2 6-1 |
| 2008-09-29 | Tokyo | R32 | L | Rainer Schuettler | 35 | 6-3 6-7(3) 6-3 |
| 2008-09-29 | Tokyo | R64 | W | Satoshi Iwabuchi | 339 | 6-1 6-4 |
| 2008-09-22 | Beijing | R32 | L | Ivo Minar | 105 | 6-3 3-6 6-2 |
| 2008-09-19 | Davis Cup WG PO: NED vs KOR | RR | W | Jesse Huta Galung | 181 | 1-6 6-1 7-6(5) 6-2 |
| 2008-09-19 | Davis Cup WG PO: NED vs KOR | RR | W | Thiemo De Bakker | 252 | 6-4 6-3 6-3 |
| 2008-09-08 | Bucharest | R32 | L | Albert Montanes | 56 | 6-1 7-6(4) |
| 2008-08-25 | US Open | R128 | L | Andreas Seppi | 31 | 6-3 7-5 3-6 3-6 6-3 |
| 2008-08-11 | Beijing Olympics | R64 | L | Rafael Arevalo | 447 | 4-6 6-3 6-4 |
| 2008-06-23 | Wimbledon | R128 | L | Philipp Petzschner | 118 | 6-7(4) 6-1 6-4 RET |
| 2008-06-09 | Queen's Club | R64 | L | Fernando Verdasco | 20 | 5-3 RET |
| 2008-05-25 | Roland Garros | R64 | L | Wayne Odesnik | 106 | 6-2 4-6 6-3 6-2 |
| 2008-05-25 | Roland Garros | R128 | W | Jonas Bjorkman | 62 | 6-4 6-4 6-3 |
| 2008-05-05 | Rome Masters | R64 | L | Igor Andreev | 26 | 6-4 7-5 |
| 2008-04-28 | Munich | QF | L | Simone Bolelli | 58 | 6-4 7-6(3) |
| 2008-04-28 | Munich | R16 | W | Julio Silva | 184 | 6-1 6-4 |
| 2008-04-28 | Munich | R32 | W | Rainer Eitzinger | 278 | 1-6 7-5 6-2 |
| 2008-04-20 | Monte Carlo Masters | R64 | L | Juan Monaco | 17 | 6-0 7-5 |
| 2008-03-27 | Miami Masters | R128 | L | Dudi Sela | 61 | 6-4 6-3 |
| 2008-03-13 | Indian Wells Masters | R16 | L | Stan Wawrinka | 35 | 6-1 5-7 6-4 |
| 2008-03-13 | Indian Wells Masters | R32 | W | David Ferrer | 5 | 7-6(5) 6-7(5) 7-6(3) |