Patty Schnyder defeated Shinobu Asagoe 6-1 6-3 in the US Open round of 32 on hard. The upset overturned the form book — Shinobu Asagoe came in leading the head-to-head 2–1, defending last year's quarter-final, but Patty Schnyder had been the form player, winning 3 of their last 4 on hard. Patty Schnyder narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-01-16 | Australian Open | R64 | hard | Patty Schnyder | 6-1 7-6(9) |
| 2004-05-24 | Roland Garros | R64 | clay | Shinobu Asagoe | 7-5 3-6 6-4 |
| 2000-08-22 | US Open | R64 | hard | Shinobu Asagoe | 7-5 6-4 |
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 20). ATP, WTA & Challenger.