| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-01-14 | Australian Open | QF | hard | Karolina Pliskova | 6-4 4-6 7-5 |
| 2016-08-29 | US Open | SF | hard | Karolina Pliskova | 6-2 7-6(5) |
| 2014-07-28 | Stanford | R16 | hard | Serena Williams | 7-5 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.