| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-30 | Beijing | R64 | hard | Venus Williams | 6-3 4-6 7-5 |
| 2015-02-23 | Doha | R16 | hard | Venus Williams | 7-5 3-6 7-6(5) |
| 2014-03-31 | Charleston | R64 | clay | Venus Williams | 6-3 0-6 7-5 |
| 2009-02-23 | Acapulco | SF | hard | Venus Williams | 6-0 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.