| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-02-22 | Doha | QF | hard | Agnieszka Radwanska | 3-6 6-2 6-3 |
| 2014-09-29 | Beijing | R32 | hard | Roberta Vinci | 6-4 6-4 |
| 2014-05-05 | Madrid | R16 | clay | Agnieszka Radwanska | 6-1 6-1 |
| 2014-04-21 | Stuttgart | R16 | clay | Agnieszka Radwanska | 6-3 6-2 |
| 2013-01-07 | Sydney | QF | hard | Agnieszka Radwanska | 6-4 7-5 |
| 2012-08-27 | US Open | R16 | hard | Roberta Vinci | 6-1 6-4 |
| 2012-05-07 | Madrid | R16 | clay | Agnieszka Radwanska | 7-6(1) 6-4 |
| 2010-05-03 | Rome | R32 | clay | Agnieszka Radwanska | 6-1 6-0 |
| 2008-05-12 | Rome | R32 | clay | Agnieszka Radwanska | 3-6 6-2 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.