Anna Lena Groenefeld defeated Flavia Pennetta 6-1 4-6 6-2 in the Acapulco final on hard. The upset overturned the form book — Flavia Pennetta came in leading the head-to-head 1–0, defending the title. Anna Lena Groenefeld claimed a first win over Flavia Pennetta in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-12 | Linz | R16 | hard | Flavia Pennetta | 6-3 4-6 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 (124 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About