Patty Schnyder defeated Amy Frazier 4-6 6-1 6-4 in the Zurich round of 32 on hard. The upset overturned the form book — Amy Frazier came in leading the head-to-head 3–1, but Patty Schnyder had been the form player, winning 5 of their last 7 on hard. Patty Schnyder narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-12 | Stanford | QF | hard | Amy Frazier | 6-3 7-6(4) |
| 2004-04-12 | Charleston | R32 | clay | Patty Schnyder | 6-4 4-6 6-3 |
| 1999-08-02 | San Diego | R32 | hard | Amy Frazier | 6-4 7-6 |
| 1998-11-09 | Philadelphia | R16 | carpet | Amy Frazier | 6-3 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 34). ATP, WTA & Challenger.