Sybille Bammer defeated Nadia Petrova 7-5 6-3 in the Sydney round of 32 on hard. The upset overturned the form book — Nadia Petrova came in leading the head-to-head 3–0, defending last year's round of 16. Sybille Bammer claimed a first win over Nadia Petrova in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-06-18 | Eastbourne | QF | grass | Nadia Petrova | 6-7(6) 7-5 6-4 |
| 2007-04-02 | Amelia Island | SF | clay | Nadia Petrova | 7-6(4) 6-1 |
| 2005-10-24 | Linz | QF | hard | Nadia Petrova | 6-2 3-6 6-3 |
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 (117 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About