| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-31 | US Open | R32 | hard | Na Li | 6-4 6-2 |
| 2007-05-07 | Berlin | R64 | grass | Na Li | 6-1 3-6 6-1 |
| 2006-08-21 | New Haven | R32 | hard | Na Li | 6-1 6-2 |
| 2005-02-07 | Hyderabad | QF | hard | Maria Kirilenko | 6-4 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.