| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-29 | Carlsbad | R16 | hard | Agnieszka Radwanska | 6-3 6-3 |
| 2011-08-01 | San Diego | QF | hard | Agnieszka Radwanska | 0-6 6-4 6-4 |
| 2010-08-02 | San Diego | SF | hard | Agnieszka Radwanska | 6-4 6-2 |
| 2009-09-28 | Tokyo | R32 | hard | Agnieszka Radwanska | 6-3 3-6 6-3 |
| 2009-07-27 | Stanford | R16 | hard | Daniela Hantuchova | 4-6 7-6(6) 6-1 |
| 2009-01-12 | Sydney | R16 | hard | Agnieszka Radwanska | 6-3 7-5 |
| 2007-10-15 | Zurich | R16 | hard | Agnieszka Radwanska | 6-3 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.