574–398Win–Loss
59.1%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 501 | 320 | 61.0% |
| Grass | 47 | 41 | 53.4% |
| Clay | 7 | 25 | 21.9% |
| Carpet | 19 | 12 | 61.3% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2021 | 1 | 7 | 0 | 12.5% |
| 2020 | 0 | 2 | 0 | 0.0% |
| 2018 | 1 | 2 | 0 | 33.3% |
| 2017 | 36 | 21 | 3 | 63.2% |
| 2016 | 42 | 16 | 4 | 72.4% |
| 2015 | 40 | 27 | 1 | 59.7% |
| 2014 | 31 | 23 | 1 | 57.4% |
| 2013 | 39 | 26 | 2 | 60.0% |
| 2012 | 41 | 26 | 3 | 61.2% |
| 2011 | 30 | 29 | 2 | 50.8% |
| 2010 | 39 | 24 | 2 | 61.9% |
| 2009 | 28 | 29 | 2 | 49.1% |
| 2008 | 53 | 26 | 3 | 67.1% |
| 2007 | 33 | 26 | 1 | 55.9% |
| 2006 | 54 | 31 | 1 | 63.5% |
| 2005 | 27 | 19 | 1 | 58.7% |
| 2004 | 44 | 25 | 3 | 63.8% |
| 2003 | 25 | 25 | 0 | 50.0% |
| 2002 | 8 | 13 | 0 | 38.1% |
| 2001 | 2 | 1 | 0 | 66.7% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2017-05-01 | Gimcheon CH | R32 | W | Prajnesh Gunneswaran | 269 | 6-2 6-2 |
| 2017-04-17 | Taipei CH | F | W | Tatsuma Ito | 212 | 6-1 7-6(4) |
| 2017-04-17 | Taipei CH | SF | W | Vasek Pospisil | 118 | 6-4 6-4 |
| 2017-04-17 | Taipei CH | QF | W | Go Soeda | 152 | 6-1 6-3 |
| 2017-04-17 | Taipei CH | R16 | W | Jimmy Wang | 675 | 7-5 6-1 |
| 2017-04-17 | Taipei CH | R32 | W | Kuan Yi Lee | 469 | 6-2 6-1 |
| 2017-03-20 | Miami Masters | R64 | L | Alexander Zverev | 20 | 6-0 6-3 |
| 2017-03-20 | Miami Masters | R128 | W | Casper Ruud | 128 | 6-2 6-1 |
| 2017-03-13 | Irving CH | R16 | L | Mikhail Kukushkin | 90 | 6-2 4-6 6-4 |
| 2017-03-13 | Irving CH | R32 | W | James Mcgee | 208 | 6-3 6-2 |
| 2017-03-06 | Indian Wells Masters | R128 | L | Vasek Pospisil | 129 | 6-7(6) 6-4 6-3 |
| 2017-02-27 | Acapulco | R32 | L | Paolo Lorenzi | 38 | 4-6 6-3 6-4 |
| 2017-02-20 | Delray Beach | R16 | L | Kyle Edmund | 49 | 6-3 3-6 6-2 |
| 2017-02-20 | Delray Beach | R32 | W | Bjorn Fratangelo | 109 | 4-6 7-5 6-4 |
| 2017-02-13 | Memphis | R32 | L | Taylor Fritz | 114 | 4-6 7-6(4) 7-6(7) |
| 2017-01-16 | Australian Open | R128 | L | Andrey Rublev | 152 | 4-6 6-3 7-6(0) 6-3 |
| 2017-01-09 | Auckland | R16 | L | Steve Johnson | 33 | 6-4 7-6(4) |
| 2017-01-09 | Auckland | R32 | W | Karen Khachanov | 51 | 4-6 7-6(5) 7-6(9) |
| 2017-01-02 | Chennai | R16 | L | Daniil Medvedev | 99 | 6-4 6-3 |
| 2017-01-02 | Chennai | R32 | W | Radu Albot | 97 | 6-2 6-1 |
| 2016-10-24 | Suzhou CH | F | W | Stefan Kozlov | 155 | 6-0 6-1 |
| 2016-10-24 | Suzhou CH | SF | W | Hyeon Chung | 135 | 6-2 6-2 |
| 2016-10-24 | Suzhou CH | QF | W | Andrea Arnaboldi | 276 | 6-7(2) 6-4 6-3 |
| 2016-10-24 | Suzhou CH | R16 | W | Christopher Rungkat | 455 | 7-5 6-1 |
| 2016-10-24 | Suzhou CH | R32 | W | Daniel Masur | 300 | 6-4 6-3 |
| 2016-10-17 | Ningbo CH | F | W | Hiroki Moriya | 189 | 6-3 6-1 |
| 2016-10-17 | Ningbo CH | SF | W | Hyeon Chung | 146 | 6-7(3) 7-6(7) 6-2 |
| 2016-10-17 | Ningbo CH | QF | W | Stefan Kozlov | 155 | 3-6 6-4 6-4 |
| 2016-10-17 | Ningbo CH | R16 | W | Alexander Kudryavtsev | 177 | 7-5 6-4 |
| 2016-10-17 | Ningbo CH | R32 | W | Jonathan Eysseric | 252 | 6-2 7-6(3) |
| 2016-10-10 | Shanghai Masters | Q2 | L | Yuichi Sugita | 91 | 7-6(6) 3-6 6-3 |
| 2016-10-10 | Shanghai Masters | Q1 | W | Zhizhen Zhang | 704 | 6-4 6-1 |
| 2016-10-03 | Beijing | R32 | L | Lucas Pouille | 16 | 6-1 6-2 |
| 2016-09-26 | Chengdu | R16 | L | Albert Ramos | 31 | 7-6(4) 3-6 6-4 |
| 2016-09-26 | Chengdu | R32 | W | Radek Stepanek | 105 | 6-3 6-4 |
| 2016-09-19 | Kaohsiung CH | SF | L | Hyeon Chung | 134 | 6-2 3-6 7-6(2) |
| 2016-09-19 | Kaohsiung CH | QF | W | Yuuya Kibi | 259 | 6-1 6-2 |
| 2016-09-19 | Kaohsiung CH | R16 | W | Luca Vanni | 171 | 6-3 6-2 |
| 2016-09-19 | Kaohsiung CH | R32 | W | Ze Zhang | 176 | 7-5 6-2 |
| 2016-09-12 | Nanchang CH | R16 | L | Marinko Matosevic | 266 | 7-5 0-6 6-4 |
| 2016-09-12 | Nanchang CH | R32 | W | Ti Chen | 251 | 3-6 6-4 6-3 |
| 2016-08-29 | US Open | R128 | L | Ivo Karlovic | 23 | 4-6 7-6(4) 6-7(4) 7-6(5) 7-5 |
| 2016-08-22 | Winston-Salem | QF | L | Roberto Bautista Agut | 17 | 6-3 6-2 |
| 2016-08-22 | Winston-Salem | R16 | W | Diego Schwartzman | 68 | 6-4 6-0 |
| 2016-08-22 | Winston-Salem | R32 | W | Joao Sousa | 36 | 6-2 6-4 |
| 2016-08-22 | Winston-Salem | R64 | W | Illya Marchenko | 65 | 7-6(5) 6-3 |
| 2016-08-15 | Cincinnati Masters | Q1 | L | Kyle Edmund | 86 | 2-6 7-6(3) 7-6(4) |
| 2016-08-08 | Rio Olympics | R64 | L | Paolo Lorenzi | 41 | 3-6 6-3 6-4 |
| 2016-07-25 | Canada Masters | R32 | L | Milos Raonic | 7 | 6-3 6-3 |
| 2016-07-25 | Canada Masters | R64 | W | Alexander Zverev | 25 | 7-5 6-3 |