| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-29 | US Open | R128 | hard | Ivo Karlovic | 4-6 7-6(4) 6-7(4) 7-6(5) 7-5 |
| 2014-10-05 | Shanghai Masters | R32 | hard | Ivo Karlovic | 7-6(6) 6-3 |
| 2014-06-09 | Halle | R16 | grass | Yen Hsun Lu | 7-6(2) 7-6(3) |
| 2014-02-10 | Memphis | SF | hard | Ivo Karlovic | 6-1 RET |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.