| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-04-16 | Fed Cup WG R1: AUS vs USA | RR | hard | Coco Vandeweghe | 2-6 7-5 6-4 |
| 2015-01-19 | Australian Open | R64 | hard | Coco Vandeweghe | 6-4 6-4 |
| 2014-03-17 | Miami | R32 | hard | Coco Vandeweghe | 5-7 7-5 7-5 |
| 2011-08-29 | US Open | R64 | hard | Samantha Stosur | 6-3 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.