| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-09-18 | Tokyo | QF | hard | Caroline Wozniacki | 3-6 7-6(5) 3-1 RET |
| 2016-02-08 | St. Petersburg | R16 | hard | Dominika Cibulkova | 6-4 7-5 |
| 2012-10-15 | Moscow | QF | hard | Caroline Wozniacki | 6-2 6-7(1) 6-1 |
| 2012-08-20 | New Haven | QF | hard | Caroline Wozniacki | 6-2 6-1 |
| 2011-06-20 | Wimbledon | R16 | grass | Dominika Cibulkova | 1-6 7-6(5) 7-5 |
| 2011-01-17 | Australian Open | R32 | hard | Caroline Wozniacki | 6-4 6-3 |
| 2011-01-10 | Sydney | R16 | hard | Dominika Cibulkova | 6-3 6-3 |
| 2010-08-30 | US Open | QF | hard | Caroline Wozniacki | 6-2 7-5 |
| 2010-08-23 | New Haven | R16 | hard | Caroline Wozniacki | 6-4 6-1 |
| 2010-02-15 | Dubai | R32 | hard | Caroline Wozniacki | 6-2 7-6(2) |
| 2009-01-12 | Sydney | R32 | hard | Caroline Wozniacki | 6-1 6-2 |
| 2008-08-18 | New Haven | R32 | hard | Caroline Wozniacki | 7-6(7) 0-0 RET |
| 2007-09-17 | Beijing | R32 | hard | Dominika Cibulkova | 6-0 6-7(5) 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.