| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-07 | Indian Wells | R64 | hard | Maria Kirilenko | 6-2 1-3 RET |
| 2009-07-27 | Stanford | R32 | hard | Maria Kirilenko | 6-4 5-7 7-6(5) |
| 2008-01-14 | Australian Open | R32 | hard | Maria Kirilenko | 6-7(6) 6-1 6-2 |
| 2007-03-05 | Indian Wells | R32 | hard | Anna Chakvetadze | 6-4 6-1 |
| 2006-03-06 | Indian Wells | R32 | hard | Anna Chakvetadze | 6-2 6-3 |
| 2005-08-22 | New Haven | R16 | hard | Anna Chakvetadze | 6-3 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.