Anna Lena Groenefeld defeated Vera Zvonareva 6-3 6-4 in the Amelia Island round of 32 on clay. The upset overturned the form book — Vera Zvonareva came in leading the head-to-head 1–0, defending last year's quarter-final. Anna Lena Groenefeld claimed a first win over Vera Zvonareva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-28 | Bol | R16 | clay | Vera Zvonareva | 2-6 6-3 7-6(8) |
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 (123 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About