17–30Win–Loss
36.2%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 17 | 20 | 45.9% |
| Carpet | 0 | 6 | 0.0% |
| Clay | 0 | 2 | 0.0% |
| Grass | 0 | 2 | 0.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2008 | 3 | 8 | 0 | 27.3% |
| 2007 | 2 | 5 | 0 | 28.6% |
| 2006 | 3 | 5 | 0 | 37.5% |
| 2005 | 8 | 10 | 0 | 44.4% |
| 2004 | 1 | 1 | 0 | 50.0% |
| 2003 | 0 | 1 | 0 | 0.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2008-11-24 | Toyota CH | R32 | L | Go Soeda | 119 | 7-6(5) 2-6 7-6(5) |
| 2008-09-22 | Beijing | R32 | L | Jean Claude Scherrer | 1121 | 6-4 7-6(7) |
| 2008-09-19 | Davis Cup G2 F: NZL vs CHN | RR | W | G D Jones | 612 | 6-3 6-7(4) 7-5 4-6 6-3 |
| 2008-09-19 | Davis Cup G2 F: NZL vs CHN | RR | L | Daniel King Turner | 413 | 6-3 6-2 6-4 |
| 2008-08-11 | Beijing Olympics | R64 | L | Fernando Gonzalez | 15 | 6-4 6-4 |
| 2008-05-19 | New Delhi2 CH | R16 | L | Yen Hsun Lu | 78 | 6-4 6-1 |
| 2008-05-19 | New Delhi2 CH | R32 | W | Olivier Charroin | 540 | 6-3 6-2 |
| 2008-05-12 | New Delhi CH | R32 | L | Alex Bogdanovic | 256 | 7-6(1) 6-4 |
| 2008-03-03 | Kyoto CH | R32 | L | Jae Sung An | 322 | 2-6 7-5 6-3 |
| 2008-02-08 | Davis Cup G2 R1: CHN vs LIB | RR | W | Jicham Zaatini | 1123 | 6-1 6-1 6-0 |
| 2008-01-28 | Guangzhou CH | R32 | L | Alberto Brizzi | 285 | 6-7(6) 6-3 6-2 |
| 2007-09-21 | Davis Cup G1 PO: KAZ vs CHN | RR | W | Stanislav Bykov | – | 6-1 7-5 |
| 2007-09-21 | Davis Cup G1 PO: KAZ vs CHN | RR | L | Alexey Kedryuk | 539 | 7-6(3) 7-6(4) 6-3 |
| 2007-09-10 | Beijing | R32 | L | Igor Kunitsyn | 88 | 6-2 7-6(7) |
| 2007-04-06 | Davis Cup G1 PO: TPE vs CHN | RR | L | Jimmy Wang | 184 | 6-4 7-5 6-3 |
| 2007-04-06 | Davis Cup G1 PO: TPE vs CHN | RR | L | Yen Hsun Lu | 96 | 3-6 6-2 3-6 6-4 6-2 |
| 2007-02-09 | Davis Cup G1 R1: CHN vs JPN | RR | W | Yuichi Sugita | 497 | 6-3 7-6(1) |
| 2007-02-09 | Davis Cup G1 R1: CHN vs JPN | RR | L | Go Soeda | 191 | 6-4 6-4 7-6(7) |
| 2006-09-22 | Davis Cup G1 PO: CHN vs PAK | RR | W | Aqeel Khan | 505 | 6-2 6-0 |
| 2006-09-22 | Davis Cup G1 PO: CHN vs PAK | RR | W | Aisam Ul Haq Qureshi | 441 | 3-6 7-6(5) 3-6 6-3 8-6 |
| 2006-05-29 | Busan CH | R32 | L | Bjorn Rehnquist | 271 | 6-2 6-1 |
| 2006-04-07 | Davis Cup G1 PO: UZB vs CHN | RR | L | Denis Istomin | 196 | 6-4 6-2 3-6 6-3 |
| 2006-03-13 | Ho Chi Minh City CH | R16 | L | Cecil Mamiit | 251 | 6-2 6-0 |
| 2006-03-13 | Ho Chi Minh City CH | R32 | W | Lee Childs | 502 | 6-3 6-1 |
| 2006-02-10 | Davis Cup G1 R1: JPN vs CHN | RR | L | Toshihide Matsui | 372 | 6-0 4-6 6-3 |
| 2006-02-10 | Davis Cup G1 R1: JPN vs CHN | RR | L | Go Soeda | 291 | 6-3 6-3 7-6(5) |
| 2005-09-12 | Beijing | R32 | L | Toshihide Matsui | 443 | 6-4 5-7 6-4 |
| 2005-08-22 | Bukhara CH | R16 | L | Rohan Bopanna | 344 | 6-4 1-6 6-4 |
| 2005-08-22 | Bukhara CH | R32 | W | Mikhail Ledovskikh | 701 | 6-3 6-2 |
| 2005-08-15 | Samarkand CH | R32 | L | Ivan Sergeyev | 1127 | 6-4 6-4 |
| 2005-08-01 | Vancouver CH | R16 | L | Paul Baccanello | 284 | 6-3 7-6(1) |
| 2005-08-01 | Vancouver CH | R32 | W | Marcus Sarstrand | 255 | 7-6(9) 7-5 |
| 2005-07-25 | Granby CH | R16 | L | Yen Hsun Lu | 138 | 7-6(3) 6-7(5) 6-0 |
| 2005-07-25 | Granby CH | R32 | W | Lesley Joseph | 315 | 7-6(3) 6-4 |
| 2005-07-15 | Davis Cup G1 PO: CHN vs INA | RR | W | Suwandi Suwandi | 678 | 6-3 6-2 6-4 |
| 2005-05-16 | Fergana CH | QF | L | Denis Istomin | 432 | 7-5 6-4 |
| 2005-05-16 | Fergana CH | R16 | W | Sergei Yaroshenko | 468 | 5-7 6-4 6-1 |
| 2005-05-16 | Fergana CH | R32 | W | Andrei Stoliarov | 454 | 6-1 6-1 |
| 2005-03-04 | Davis Cup G1 R1: IND vs CHN | RR | L | Prakash Amritraj | 361 | 6-2 6-4 |
| 2005-03-04 | Davis Cup G1 R1: IND vs CHN | RR | L | Harsh Mankad | 301 | 7-5 6-3 6-2 |
| 2005-02-07 | Dallas CH | R16 | L | Andre Sa | 179 | 6-4 6-4 |
| 2005-02-07 | Dallas CH | R32 | W | Eric Taino | 341 | 6-3 6-3 |
| 2005-01-31 | Delray Beach | R16 | L | Ramon Delgado | 230 | 6-7(6) 6-1 6-1 |
| 2005-01-31 | Delray Beach | R32 | W | Matias Boeker | 270 | 6-3 6-4 |
| 2004-05-17 | Fergana CH | R16 | L | Tasuku Iwami | 327 | 5-7 6-1 6-4 |
| 2004-05-17 | Fergana CH | R32 | W | Vadim Davletshin | 400 | 6-1 6-2 |
| 2003-04-04 | Davis Cup G2 R2: CHN vs TPE | RR | L | Yen Hsun Lu | 171 | 6-4 6-3 4-6 5-7 6-4 |