| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-01-16 | Australian Open | QF | hard | Venus Williams | 6-4 7-6(3) |
| 2014-08-04 | Montreal | R64 | hard | Venus Williams | 6-1 3-6 6-2 |
| 2010-02-15 | Dubai | QF | hard | Venus Williams | 6-3 6-4 |
| 2009-10-05 | Beijing | R32 | hard | Anastasia Pavlyuchenkova | 3-6 6-1 6-4 |
| 2009-09-28 | Tokyo | R32 | hard | Anastasia Pavlyuchenkova | 7-6(6) 7-5 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.