| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-04 | Madrid | R64 | clay | Coco Vandeweghe | 7-6(3) 3-6 7-5 |
| 2010-08-30 | US Open | R128 | hard | Sabine Lisicki | 6-1 6-0 |
| 2008-03-24 | Miami | R128 | hard | Sabine Lisicki | 6-4 7-5 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.