33–66Win–Loss
33.3%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 24 | 50 | 32.4% |
| Carpet | 8 | 14 | 36.4% |
| Clay | 1 | 1 | 50.0% |
| Grass | 0 | 1 | 0.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2016 | 4 | 2 | 0 | 66.7% |
| 2015 | 2 | 1 | 0 | 66.7% |
| 2014 | 4 | 7 | 0 | 36.4% |
| 2013 | 7 | 10 | 0 | 41.2% |
| 2012 | 4 | 5 | 0 | 44.4% |
| 2011 | 2 | 11 | 0 | 15.4% |
| 2010 | 7 | 7 | 0 | 50.0% |
| 2009 | 0 | 5 | 0 | 0.0% |
| 2008 | 2 | 6 | 0 | 25.0% |
| 2007 | 0 | 4 | 0 | 0.0% |
| 2003 | 0 | 1 | 0 | 0.0% |
| 2002 | 0 | 3 | 0 | 0.0% |
| 2001 | 1 | 3 | 0 | 25.0% |
| 1999 | 0 | 1 | 0 | 0.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2016-11-14 | Toyota CH | Q3 | L | Yong Kyu Lim | 539 | 6-4 6-2 |
| 2016-11-14 | Toyota CH | Q2 | W | Young Seok Kim | 607 | 6-4 6-4 |
| 2016-11-14 | Toyota CH | Q1 | W | Yuichi Ito | 692 | 6-3 6-4 |
| 2016-02-22 | Kyoto CH | Q3 | L | Andriej Kapas | 472 | 6-4 7-5 |
| 2016-02-22 | Kyoto CH | Q2 | W | Yuichiro Inui | 2013 | 7-6(4) 7-5 |
| 2016-02-22 | Kyoto CH | Q1 | W | Kaito Itsusaki | – | 6-3 6-0 |
| 2015-02-23 | Kyoto CH | QF | L | John Millman | 148 | W/O |
| 2015-02-23 | Kyoto CH | R16 | W | Benjamin Mitchell | 213 | 6-4 6-4 |
| 2015-02-23 | Kyoto CH | R32 | W | Issei Okamura | 1465 | 6-1 6-3 |
| 2014-11-17 | Toyota CH | R32 | L | Shuichi Sekiguchi | 457 | 4-6 6-1 7-6(4) |
| 2014-07-14 | Kaohsiung CH | R16 | L | Marco Chiudinelli | 173 | 6-3 7-6(3) |
| 2014-07-14 | Kaohsiung CH | R32 | W | Chih Jen Ho | 1041 | 3-6 6-1 6-2 |
| 2014-06-23 | Nanchang CH | R16 | L | Ze Zhang | 186 | 6-0 6-1 |
| 2014-06-23 | Nanchang CH | R32 | W | Kento Takeuchi | 598 | 6-2 6-3 |
| 2014-06-16 | Tianjin CH | R16 | L | Valery Rudnev | 249 | 7-6(2) 6-7(5) 6-3 |
| 2014-06-16 | Tianjin CH | R32 | W | Liang Chi Huang | 321 | 3-6 6-2 6-1 |
| 2014-03-03 | Kyoto CH | R16 | L | Marco Chiudinelli | 171 | 6-3 6-3 |
| 2014-03-03 | Kyoto CH | R32 | W | Takashi Saito | 766 | 6-4 6-4 |
| 2014-01-13 | Australian Open | Q1 | L | Enzo Couacaud | 489 | 6-1 6-2 |
| 2014-01-06 | Auckland | Q2 | L | Artem Sitak | 591 | 6-3 6-4 |
| 2013-11-18 | Toyota CH | R32 | L | Danai Udomchoke | 465 | 6-2 7-5 |
| 2013-10-28 | Seoul CH | R16 | L | Go Soeda | 117 | 6-1 6-0 |
| 2013-10-28 | Seoul CH | R32 | W | Liang Chi Huang | 236 | 5-7 6-4 6-4 |
| 2013-09-23 | Fergana CH | R32 | L | Malek Jaziri | 181 | 6-1 6-2 |
| 2013-09-16 | Kaohsiung CH | R32 | L | John Patrick Smith | 232 | 6-4 7-5 |
| 2013-09-02 | Shanghai CH | R32 | L | Ze Zhang | 182 | 4-6 6-1 6-2 |
| 2013-08-26 | Bangkok CH | R16 | L | Matthew Ebden | 127 | 6-3 6-0 |
| 2013-08-26 | Bangkok CH | R32 | W | Alex Bolt | 299 | 6-2 7-6(5) |
| 2013-07-15 | Granby CH | R16 | L | Tatsuma Ito | 174 | 6-3 7-6(2) |
| 2013-07-15 | Granby CH | R32 | W | Ante Pavic | 472 | 6-2 7-5 |
| 2013-07-08 | Beijing CH | SF | L | Yen Hsun Lu | 69 | 6-3 6-0 |
| 2013-07-08 | Beijing CH | QF | W | Jung Woong Na | 495 | 7-6(3) 6-4 |
| 2013-07-08 | Beijing CH | R16 | W | Kaden Hensel | 1985 | 6-4 0-1 RET |
| 2013-07-08 | Beijing CH | R32 | W | Tatsuma Ito | 174 | 6-4 6-3 |
| 2013-03-04 | Kyoto CH | R16 | L | John Millman | 161 | 4-6 6-1 7-6(3) |
| 2013-03-04 | Kyoto CH | R32 | W | Adrian Sikora | 400 | 6-2 6-0 |
| 2013-01-21 | Maui CH | R32 | L | Alex Kuznetsov | 219 | 6-2 6-7(5) 6-3 |
| 2012-11-19 | Toyota CH | QF | L | Yuichi Sugita | 119 | 6-2 6-3 |
| 2012-11-19 | Toyota CH | R16 | W | Ti Chen | 204 | 6-4 6-4 |
| 2012-11-19 | Toyota CH | R32 | W | Suk Young Jeong | 364 | 6-4 6-4 |
| 2012-10-01 | Tokyo | Q1 | L | Grigor Dimitrov | 60 | 7-5 6-4 |
| 2012-09-10 | Ningbo CH | R32 | L | John Millman | 275 | 6-4 6-0 |
| 2012-07-23 | Wuhan CH | R16 | L | Laurent Rochette | 222 | 6-3 6-1 |
| 2012-07-23 | Wuhan CH | R32 | W | Yuqing Ning | 1495 | 6-3 3-6 6-0 |
| 2012-07-16 | An-Ning CH | R16 | L | Hiroki Moriya | 219 | 6-4 6-4 |
| 2012-07-16 | An-Ning CH | R32 | W | Xin Gao | 1905 | 7-5 3-6 6-1 |
| 2011-11-21 | Toyota CH | R16 | L | Toshihide Matsui | 494 | 6-3 6-4 |
| 2011-11-21 | Toyota CH | R32 | W | Hiroyasu Ehara | 554 | 6-3 6-2 |
| 2011-09-12 | Ningbo CH | R32 | L | Michael Yani | 193 | 7-6(4) 6-1 |
| 2011-08-01 | Beijing CH | R32 | L | Danai Udomchoke | 209 | 7-6(6) 6-1 |