| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-29 | US Open | R128 | hard | Kei Nishikori | 6-1 6-1 3-6 6-3 |
| 2015-05-24 | Roland Garros | R32 | clay | Kei Nishikori | W/O |
| 2014-09-29 | Tokyo | SF | hard | Kei Nishikori | 4-6 6-0 7-6(2) |
| 2010-02-22 | Delray Beach | R32 | hard | Benjamin Becker | 6-3 1-6 6-0 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.