10–18Win–Loss
35.7%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 10 | 15 | 40.0% |
| Carpet | 0 | 3 | 0.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2009 | 3 | 6 | 0 | 33.3% |
| 2008 | 1 | 4 | 0 | 20.0% |
| 2007 | 4 | 4 | 0 | 50.0% |
| 2005 | 0 | 1 | 0 | 0.0% |
| 2004 | 1 | 1 | 0 | 50.0% |
| 2003 | 1 | 2 | 0 | 33.3% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2009-10-11 | Shanghai Masters | R32 | L | Jo-Wilfried Tsonga | 7 | 6-3 6-3 |
| 2009-10-11 | Shanghai Masters | R64 | W | Dudi Sela | 44 | 2-6 6-1 6-4 |
| 2009-10-05 | Beijing | Q1 | L | Sebastien De Chaunac | 140 | 6-1 7-6(3) |
| 2009-09-18 | Davis Cup G1 PO: CHN vs THA | RR | W | Danai Udomchoke | 139 | 2-6 6-4 3-6 6-1 6-4 |
| 2009-09-18 | Davis Cup G1 PO: CHN vs THA | RR | W | Kittipong Wachiramanowong | 521 | 5-7 6-1 6-2 6-4 |
| 2009-07-10 | Davis Cup G1 PO: KOR vs CHN | RR | L | Kyu Tae Im | 212 | 6-0 6-2 6-3 |
| 2009-07-10 | Davis Cup G1 PO: KOR vs CHN | RR | L | Hyung Taik Lee | 153 | 6-3 6-4 6-2 |
| 2009-03-06 | Davis Cup G1 R2: JPN vs CHN | RR | L | Go Soeda | 106 | 6-2 7-6(4) 6-3 |
| 2009-02-23 | Melbourne CH | R32 | L | Nick Lindahl | 312 | 6-2 3-6 6-3 |
| 2008-08-11 | Beijing Olympics | R64 | L | David Nalbandian | 8 | 6-2 6-1 |
| 2008-04-14 | Busan CH | R16 | L | Yen Hsun Lu | 109 | 6-3 6-2 |
| 2008-04-14 | Busan CH | R32 | W | Kyu Tae Im | 423 | 5-7 6-0 6-4 |
| 2008-03-03 | Kyoto CH | R32 | L | Daniel Brands | 245 | 6-4 6-1 |
| 2008-01-28 | Guangzhou CH | R32 | L | Robert Smeets | 169 | 6-2 6-2 |
| 2007-11-19 | Yokohama CH | R16 | L | Yen Hsun Lu | 103 | 6-2 6-1 |
| 2007-11-19 | Yokohama CH | R32 | W | Jae Sung An | 437 | 7-5 6-4 |
| 2007-09-10 | Beijing | Q3 | W | Hyun Woo Nam | 462 | 6-1 6-3 |
| 2007-09-10 | Beijing | Q2 | W | Jimmy Wang | 156 | 2-6 6-1 5-1 RET |
| 2007-09-10 | Beijing | Q1 | W | Hao Lu | 1381 | 6-3 7-6(4) |
| 2007-09-10 | Beijing | R32 | L | Marcos Baghdatis | 18 | 7-6(3) 7-5 |
| 2007-07-23 | Recanati CH | R32 | L | Francesco Piccari | 365 | 7-5 6-3 |
| 2007-03-05 | Kyoto CH | R32 | L | Alan Mackin | 275 | 6-1 6-3 |
| 2005-09-12 | Beijing | R32 | L | Guillermo Coria | 8 | 6-2 6-1 |
| 2004-09-27 | Shanghai | R32 | L | Lars Burgsmuller | 133 | 6-3 6-4 |
| 2004-04-09 | Davis Cup G2 R2: CHN vs KUW | RR | W | Mohammad Ghareeb | 671 | 7-6(5) 6-7(5) RET |
| 2003-09-22 | Shanghai | R32 | L | Martin Verkerk | 14 | 6-2 6-3 |
| 2003-04-04 | Davis Cup G2 R2: CHN vs TPE | RR | L | Jimmy Wang | 198 | 6-3 6-4 6-2 |
| 2003-02-14 | Davis Cup G2 R1: CHN vs PHI | RR | W | Johnny Arcilla | – | 6-2 6-1 6-3 |