Sybille Bammer defeated Aravane Rezai 6-1 7-5 in the US Open round of 64 on hard. The upset overturned the form book — Aravane Rezai came in leading the head-to-head 2–0, defending last year's round of 64. Sybille Bammer claimed a first win over Aravane Rezai in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-15 | Dubai | R64 | hard | Aravane Rezai | 6-3 5-7 7-5 |
| 2009-05-18 | Strasbourg | R32 | clay | Aravane Rezai | 6-2 6-2 |
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 (118 vs 160). ATP, WTA & Challenger.