| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-25 | US Open | SF | hard | Caroline Wozniacki | 7-6(1) 4-3 RET |
| 2013-08-19 | New Haven | R32 | hard | Caroline Wozniacki | 2-6 3-1 RET |
| 2013-08-12 | Cincinnati | R64 | hard | Caroline Wozniacki | 6-1 6-1 |
| 2009-04-13 | Charleston | R16 | clay | Caroline Wozniacki | 6-3 6-4 |
| 2008-10-20 | Luxembourg | R16 | hard | Caroline Wozniacki | 6-4 6-4 |
| 2007-08-13 | Toronto | R64 | hard | Shuai Peng | 6-0 6-7(4) 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.