| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-07-21 | Los Angeles | R32 | hard | Ai Sugiyama | 6-4 7-5 |
| 2008-02-11 | Antwerp | R16 | hard | Patty Schnyder | 6-3 6-4 |
| 2003-05-12 | Rome | R16 | clay | Ai Sugiyama | 6-2 6-1 |
| 2001-01-07 | Canberra | R16 | hard | Ai Sugiyama | 6-0 3-6 7-5 |
| 1999-01-03 | Hope Island | SF | hard | Patty Schnyder | 6-0 1-6 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.