362–313Win–Loss
53.6%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 316 | 246 | 56.2% |
| Grass | 20 | 26 | 43.5% |
| Carpet | 19 | 22 | 46.3% |
| Clay | 7 | 19 | 26.9% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2015 | 2 | 8 | 0 | 20.0% |
| 2014 | 9 | 12 | 0 | 42.9% |
| 2013 | 11 | 14 | 0 | 44.0% |
| 2012 | 31 | 21 | 1 | 59.6% |
| 2011 | 19 | 21 | 0 | 47.5% |
| 2010 | 2 | 5 | 0 | 28.6% |
| 2009 | 35 | 23 | 1 | 60.3% |
| 2008 | 39 | 26 | 0 | 60.0% |
| 2007 | 23 | 31 | 0 | 42.6% |
| 2006 | 42 | 25 | 3 | 62.7% |
| 2005 | 38 | 24 | 3 | 61.3% |
| 2004 | 30 | 25 | 0 | 54.5% |
| 2003 | 32 | 31 | 1 | 50.8% |
| 2002 | 21 | 19 | 0 | 52.5% |
| 2001 | 15 | 13 | 0 | 53.6% |
| 2000 | 8 | 11 | 0 | 42.1% |
| 1999 | 5 | 1 | 0 | 83.3% |
| 1998 | 0 | 3 | 0 | 0.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2010-09-20 | Bangkok2 CH | QF | L | Go Soeda | 104 | 6-4 7-6(8) |
| 2010-09-20 | Bangkok2 CH | R16 | W | Alex Bogomolov Jr | 243 | 7-6(3) 6-1 |
| 2010-09-20 | Bangkok2 CH | R32 | W | Bernard Tomic | 219 | 6-4 6-2 |
| 2010-09-13 | Bangkok CH | R32 | L | Denis Gremelmayr | 140 | 2-6 6-1 6-4 |
| 2010-01-18 | Australian Open | Q1 | L | Takao Suzuki | 283 | 7-5 6-4 |
| 2009-10-26 | Seoul CH | R16 | L | Dusan Lojda | 283 | 6-1 2-0 RET |
| 2009-10-26 | Seoul CH | R32 | W | Yong Kyu Lim | 402 | 1-6 6-3 7-5 |
| 2009-10-11 | Shanghai Masters | Q1 | L | Luka Gregorc | 275 | 6-4 2-6 6-3 |
| 2009-09-28 | Bangkok | R32 | L | Robby Ginepri | 71 | 6-4 6-3 |
| 2009-09-18 | Davis Cup G1 PO: CHN vs THA | RR | L | Shao Xuan Zeng | 417 | 2-6 6-4 3-6 6-1 6-4 |
| 2009-09-18 | Davis Cup G1 PO: CHN vs THA | RR | W | Ze Zhang | 613 | 6-3 6-3 6-2 |
| 2009-07-19 | Indianapolis | R32 | L | Jesse Levine | 116 | 6-1 7-6(10) |
| 2009-07-13 | Aptos CH | R32 | L | Michael Yani | 233 | 6-4 3-6 6-3 |
| 2009-07-06 | Newport | R32 | L | Prakash Amritraj | 159 | 6-1 6-4 |
| 2009-06-22 | Wimbledon | Q3 | L | Grega Zemlja | 218 | 6-4 7-6(4) 6-4 |
| 2009-06-22 | Wimbledon | Q2 | W | Andreas Haider Maurer | 233 | 4-6 6-4 8-6 |
| 2009-06-22 | Wimbledon | Q1 | W | Frederik Nielsen | 272 | 6-4 6-4 |
| 2009-06-22 | Wimbledon | R128 | L | Sam Querrey | 47 | 6-3 6-4 6-4 |
| 2009-06-01 | Yuba City CH | R32 | L | Eric Nunez | 352 | 5-2 RET |
| 2009-05-25 | Carson2 CH | QF | L | Lester Cook | 325 | 6-3 6-4 |
| 2009-05-25 | Carson2 CH | R16 | W | Alex Kuznetsov | 414 | 6-2 6-2 |
| 2009-05-25 | Carson2 CH | R32 | W | Conor Niland | 271 | 6-3 6-3 |
| 2009-05-18 | Fergana CH | QF | L | Lukas Lacko | 269 | 6-1 6-1 |
| 2009-05-18 | Fergana CH | R16 | W | Dusan Lojda | 370 | 6-4 6-2 |
| 2009-05-18 | Fergana CH | R32 | W | Ilya Belyaev | 350 | 6-2 6-1 |
| 2009-05-11 | Busan CH | F | W | Blaz Kavcic | 243 | 6-2 6-2 |
| 2009-05-11 | Busan CH | SF | W | Florian Mayer | 229 | 6-1 6-1 |
| 2009-05-11 | Busan CH | QF | W | Sam Groth | 252 | 3-6 6-3 6-4 |
| 2009-05-11 | Busan CH | R16 | W | Suk Young Jeong | 1520 | 6-1 6-0 |
| 2009-05-11 | Busan CH | R32 | W | Tatsuma Ito | 301 | 3-6 6-2 6-3 |
| 2009-04-20 | Tallahassee CH | SF | L | John Isner | 123 | 1-6 6-4 6-2 |
| 2009-04-20 | Tallahassee CH | QF | W | Ryan Sweeting | 179 | 7-6(0) 5-7 6-3 |
| 2009-04-20 | Tallahassee CH | R16 | W | Carsten Ball | 184 | 6-4 3-6 6-3 |
| 2009-04-20 | Tallahassee CH | R32 | W | Jesse Levine | 131 | 6-3 6-1 |
| 2009-04-13 | Mexico City CH | SF | L | Marcel Felder | 302 | 7-5 3-6 6-4 |
| 2009-04-13 | Mexico City CH | QF | W | Giovanni Lapentti | 185 | 7-6(6) 7-6(3) |
| 2009-04-13 | Mexico City CH | R16 | W | Joao Souza | 246 | 6-4 6-7(5) 6-3 |
| 2009-04-13 | Mexico City CH | R32 | W | Michael Yani | 236 | 6-3 7-6(5) |
| 2009-04-06 | Baton Rouge CH | R16 | L | Sam Groth | 289 | 7-6(1) 6-3 |
| 2009-04-06 | Baton Rouge CH | R32 | W | Todd Widom | 210 | 6-2 6-1 |
| 2009-03-23 | Khorat CH | R16 | L | Izak Van Der Merwe | 271 | 2-6 6-4 7-5 |
| 2009-03-23 | Khorat CH | R32 | W | Denys Molchanov | 486 | 6-3 6-3 |
| 2009-03-16 | Bangkok CH | F | L | Florian Mayer | 305 | 7-5 6-2 |
| 2009-03-16 | Bangkok CH | SF | W | Noam Okun | 393 | 3-6 6-2 6-3 |
| 2009-03-16 | Bangkok CH | QF | W | Paolo Lorenzi | 205 | 6-2 6-4 |
| 2009-03-16 | Bangkok CH | R16 | W | Grigor Dimitrov | 400 | 7-6(6) 7-5 |
| 2009-03-16 | Bangkok CH | R32 | W | Chris Guccione | 134 | 5-7 6-4 6-2 |
| 2009-03-06 | Davis Cup G1 R2: THA vs AUS | RR | W | Lleyton Hewitt | 72 | 2-6 4-6 7-6(2) 6-4 6-1 |
| 2009-03-06 | Davis Cup G1 R2: THA vs AUS | RR | W | Brydan Klein | 189 | 6-2 6-2 7-5 |
| 2009-02-23 | Melbourne CH | QF | L | Marinko Matosevic | 286 | 6-1 6-0 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0