25–30Menang–Kalah
45.5%% Menang
0Gelar
| Lapangan | W | L | % |
|---|---|---|---|
| Hard | 24 | 26 | 48.0% |
| Clay | 1 | 2 | 33.3% |
| Carpet | 0 | 2 | 0.0% |
Musim per musim
| Tahun | W | L | Gelar | % |
|---|---|---|---|---|
| 2013 | 13 | 15 | 0 | 46.4% |
| 2012 | 8 | 9 | 0 | 47.1% |
| 2011 | 1 | 3 | 0 | 25.0% |
| 2010 | 2 | 2 | 0 | 50.0% |
| 2009 | 1 | 1 | 0 | 50.0% |
Riwayat peringkat
Pertandingan
| Tanggal | Turnamen | Babak | W/L | Lawan | Rank lawan | Skor |
|---|---|---|---|---|---|---|
| 2013-11-04 | Yeongwol CH | R32 | L | Enrique Lopez Perez | 285 | 6-3 6-3 |
| 2013-09-23 | Bangkok | R32 | L | Denis Istomin | 47 | 6-3 6-0 |
| 2013-09-16 | Kaohsiung CH | R16 | L | Matthew Ebden | 135 | 6-3 6-2 |
| 2013-09-16 | Kaohsiung CH | R32 | W | Hsien Yin Peng | 1332 | 6-3 7-6(3) |
| 2013-09-02 | Shanghai CH | R32 | L | Tatsuma Ito | 165 | 5-7 7-6(0) 6-2 |
| 2013-08-26 | Bangkok CH | F | L | Blaz Kavcic | 126 | 6-3 6-1 |
| 2013-08-26 | Bangkok CH | SF | W | Matthew Ebden | 127 | 7-6(7) 3-6 5-4 RET |
| 2013-08-26 | Bangkok CH | QF | W | Yuichi Sugita | 148 | 6-1 6-3 |
| 2013-08-26 | Bangkok CH | R16 | W | Benjamin Mitchell | 259 | 6-2 6-1 |
| 2013-08-26 | Bangkok CH | R32 | W | Warit Sornbutnark | 1239 | 6-2 6-2 |
| 2013-08-12 | Kazan CH | R32 | L | Ivo Klec | 569 | 6-4 3-6 6-1 |
| 2013-05-13 | Busan CH | R16 | L | Ze Zhang | 152 | 6-3 6-2 |
| 2013-05-13 | Busan CH | R32 | W | Hyeon Chung | 690 | 6-7(1) 6-3 6-1 |
| 2013-05-06 | Karshi CH | R16 | L | Ti Chen | 216 | 7-5 6-1 |
| 2013-05-06 | Karshi CH | R32 | W | Toni Androic | 324 | 6-4 3-6 7-6(3) |
| 2013-04-29 | Tallahassee CH | R16 | L | Cedrik Marcel Stebe | 180 | 4-6 6-3 6-0 |
| 2013-04-29 | Tallahassee CH | R32 | W | Michael Russell | 93 | 7-6(6) 6-3 |
| 2013-04-15 | Sarasota CH | R32 | L | Ze Zhang | 151 | 6-2 6-2 |
| 2013-04-05 | Davis Cup G1 R2: JPN vs KOR | RR | L | Tatsuma Ito | 101 | 6-1 6-4 6-4 |
| 2013-03-04 | Kyoto CH | R32 | L | Sam Groth | 189 | 7-6(5) 6-4 |
| 2013-02-25 | Sydney1 CH | R16 | L | Sam Groth | 230 | 6-1 6-2 |
| 2013-02-25 | Sydney1 CH | R32 | W | Alex Bolt | 339 | 6-2 6-2 |
| 2013-02-04 | West Lakes CH | R16 | L | Nick Kyrgios | 843 | 6-2 6-0 |
| 2013-02-04 | West Lakes CH | R32 | W | Benjamin Mitchell | 358 | 6-3 6-4 |
| 2013-02-01 | Davis Cup G1 R1: IND vs KOR | RR | W | Ranjeet Virali Murugesan | 511 | 6-4 6-4 6-2 |
| 2013-02-01 | Davis Cup G1 R1: IND vs KOR | RR | W | Vijayant Malik | 537 | 6-4 7-5 3-0 |
| 2013-01-21 | Maui CH | R16 | L | Mischa Zverev | 158 | 6-4 6-0 |
| 2013-01-21 | Maui CH | R32 | W | Takuto Niki | 622 | 7-5 6-7(3) 6-4 |
| 2012-11-19 | Toyota CH | R32 | L | Hiroki Kondo | 473 | 6-4 6-4 |
| 2012-11-12 | Champaign CH | R32 | L | John Patrick Smith | 246 | 6-3 6-3 |
| 2012-11-05 | Knoxville CH | R32 | L | Ryan Sweeting | 151 | 7-5 6-3 |
| 2012-10-22 | Seoul CH | R32 | L | Tatsuma Ito | 60 | 2-6 7-5 6-3 |
| 2012-09-10 | Ningbo CH | F | L | Peter Gojowczyk | 204 | 6-3 6-1 |
| 2012-09-10 | Ningbo CH | SF | W | Di Wu | 202 | 7-5 6-4 |
| 2012-09-10 | Ningbo CH | QF | W | Ze Zhang | 167 | 6-1 6-4 |
| 2012-09-10 | Ningbo CH | R16 | W | Jaan Frederik Brunken | 519 | 6-4 6-4 |
| 2012-09-10 | Ningbo CH | R32 | W | Tsung Hua Yang | 220 | 7-5 3-6 6-2 |
| 2012-08-27 | Bangkok CH | R16 | L | Ze Zhang | 171 | 6-4 6-4 |
| 2012-08-27 | Bangkok CH | R32 | W | Jose Rubin Statham | 334 | 6-2 6-4 |
| 2012-05-07 | Busan CH | R16 | L | Tsung Hua Yang | 175 | 6-3 7-5 |
| 2012-05-07 | Busan CH | R32 | W | Kento Takeuchi | 496 | 6-2 3-6 6-4 |
| 2012-04-06 | Davis Cup G1 R2: AUS vs KOR | RR | L | Matthew Ebden | 75 | 6-3 6-3 6-4 |
| 2012-03-12 | Pingguo CH | R16 | L | Jimmy Wang | 209 | 7-5 7-5 |
| 2012-03-12 | Pingguo CH | R32 | W | Ya Nan Ma | 939 | 6-3 7-5 |
| 2012-02-10 | Davis Cup G1 R1: KOR vs TPE | RR | W | Tsung Hua Yang | 177 | 6-4 4-6 6-3 7-6(5) |
| 2011-10-17 | Seoul CH | R32 | L | Stephane Bohli | 278 | 4-6 6-1 6-4 |
| 2011-05-09 | Busan CH | R16 | L | Yuichi Sugita | 206 | 3-6 6-4 6-2 |
| 2011-05-09 | Busan CH | R32 | W | Evgeny Kirillov | 275 | 2-6 6-4 6-3 |
| 2011-03-04 | Davis Cup G2 R1: KOR vs SYR | RR | L | Marc Abdulnour | 920 | 3-6 6-4 7-6(3) |
| 2010-09-17 | Davis Cup G1 PO: KOR vs PHI | RR | L | Treat Conrad Huey | 722 | 7-5 7-5 6-3 |