| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-04-04 | Houston | R16 | clay | John Isner | 6-7(1) 7-6(4) 6-3 |
| 2020-08-31 | US Open | R128 | hard | Steve Johnson | 6-7(5) 6-3 6-7(5) 6-3 7-6(3) |
| 2018-04-09 | Houston | QF | clay | Steve Johnson | 7-6(4) 4-6 7-6(5) |
| 2017-02-27 | Acapulco | R32 | hard | Steve Johnson | 6-4 6-4 |
| 2016-07-18 | Washington | QF | hard | Steve Johnson | 7-6(7) 7-6(15) |
| 2015-08-03 | Washington | SF | hard | John Isner | 6-3 3-6 7-6(9) |
| 2015-05-17 | Nice | R16 | clay | John Isner | 7-6(3) 4-6 6-3 |
| 2015-04-12 | Monte Carlo Masters | R64 | clay | John Isner | 6-4 6-4 |
| 2014-10-05 | Shanghai Masters | R32 | hard | John Isner | 7-6(6) 7-6(7) |
| 2014-07-28 | Washington | R32 | hard | Steve Johnson | 6-7(5) 6-3 7-6(6) |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.