8–17Win–Loss
32.0%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 6 | 15 | 28.6% |
| Carpet | 1 | 1 | 50.0% |
| Clay | 1 | 1 | 50.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2009 | 0 | 1 | 0 | 0.0% |
| 2008 | 2 | 3 | 0 | 40.0% |
| 2007 | 3 | 11 | 0 | 21.4% |
| 2006 | 0 | 2 | 0 | 0.0% |
| 2005 | 1 | 0 | 0 | 100.0% |
| 2004 | 2 | 0 | 0 | 100.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2009-10-11 | Shanghai Masters | Q1 | L | Michael Llodra | 129 | 6-4 6-3 |
| 2008-08-11 | Beijing Olympics | R64 | L | Tomas Berdych | 20 | 6-1 6-2 |
| 2008-05-26 | Carson CH | R32 | L | Ramon Delgado | 447 | 6-2 6-3 |
| 2008-02-08 | Davis Cup G2 R1: CHN vs LIB | RR | W | Rami Osman | – | 6-2 6-0 |
| 2008-02-08 | Davis Cup G2 R1: CHN vs LIB | RR | W | Karim Alayli | 1489 | 6-2 6-4 3-6 7-5 |
| 2008-01-28 | Guangzhou CH | R32 | L | Frederik Nielsen | 306 | 3-6 6-3 6-2 |
| 2007-11-26 | New Delhi CH | R16 | L | Martin Slanar | 340 | 6-3 6-3 |
| 2007-11-26 | New Delhi CH | R32 | W | Franko Skugor | 398 | 6-4 6-7(1) 7-6(5) |
| 2007-11-19 | Yokohama CH | R32 | L | Yen Hsun Lu | 103 | 7-5 6-1 |
| 2007-09-21 | Davis Cup G1 PO: KAZ vs CHN | RR | L | Alexey Kedryuk | 539 | 6-2 6-3 7-6(2) |
| 2007-09-21 | Davis Cup G1 PO: KAZ vs CHN | RR | L | Syrym Abdukhalikov | 628 | 7-6(5) 6-3 2-6 7-5 |
| 2007-09-10 | Beijing | R32 | L | Kevin Kim | 178 | 6-3 7-5 |
| 2007-07-30 | Tampere CH | R32 | L | Thiemo De Bakker | 394 | 5-5 RET |
| 2007-07-23 | Recanati CH | R32 | L | Grega Zemlja | 287 | 7-6(3) 6-4 |
| 2007-05-28 | Busan CH | R16 | L | Brendan Evans | 311 | 6-3 6-3 |
| 2007-05-28 | Busan CH | R32 | W | Pavel Snobel | 243 | 1-6 7-5 7-6(5) |
| 2007-04-06 | Davis Cup G1 PO: TPE vs CHN | RR | W | Yen Hsun Lu | 96 | 6-4 7-5 2-6 7-6(4) |
| 2007-04-06 | Davis Cup G1 PO: TPE vs CHN | RR | L | Jimmy Wang | 184 | 6-3 6-2 6-4 |
| 2007-02-09 | Davis Cup G1 R1: CHN vs JPN | RR | L | Go Soeda | 191 | 6-3 6-4 |
| 2007-02-09 | Davis Cup G1 R1: CHN vs JPN | RR | L | Yuichi Sugita | 497 | 7-6(5) 0-6 6-7(2) 6-3 6-4 |
| 2006-09-11 | Beijing | R32 | L | Jimmy Wang | 130 | 6-1 6-4 |
| 2006-08-21 | Bukhara CH | R32 | L | Woong Sun Jun | 389 | 2-6 6-4 6-2 |
| 2005-07-15 | Davis Cup G1 PO: CHN vs INA | RR | W | Suwandi Suwandi | 678 | 7-6(4) 6-3 |
| 2004-04-09 | Davis Cup G2 R2: CHN vs KUW | RR | W | Abdullah Maqdas | 1425 | 6-4 6-3 |
| 2004-02-06 | Davis Cup G2 R1: PHI vs CHN | RR | W | Joseph Victorino | 1342 | 6-1 6-2 6-1 |