Andrea Petkovic defeated Claudine Schaul 3-6 6-3 7-6 in the Vaihingen Stuttgart 25K round of 16 on clay. The upset overturned the form book — Claudine Schaul came in leading the head-to-head 1–0. Andrea Petkovic claimed a first win over Claudine Schaul in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-03 | Denain 75K | R32 | clay | Claudine Schaul | 6-2 6-7(0) 7-6(4) |
Averages over each player's completed matches in the selected window (200 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About