| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-04-22 | Stuttgart | R16 | clay | Angelique Kerber | 6-2 6-4 |
| 2017-03-06 | Indian Wells | R64 | hard | Angelique Kerber | 6-2 6-1 |
| 2015-04-06 | Charleston | SF | clay | Angelique Kerber | 6-4 6-4 |
| 2011-02-14 | Dubai | R64 | hard | Andrea Petkovic | 6-4 4-6 6-3 |
| 2011-02-07 | Paris | R32 | carpet | Andrea Petkovic | 7-5 3-6 6-2 |
| 2010-10-11 | Linz | R32 | hard | Andrea Petkovic | 6-3 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.