Alona Bondarenko defeated Roberta Vinci 6-3 6-1 in the Warsaw round of 32 on clay. The upset overturned the form book — Roberta Vinci came in leading the head-to-head 2–1. Alona Bondarenko narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-11 | Linz | R32 | hard | Roberta Vinci | 6-2 6-2 |
| 2007-06-18 | 's-Hertogenbosch | R16 | grass | Alona Bondarenko | 7-6 6-3 |
| 2005-10-15 | Zurich | Q32 | hard | Roberta Vinci | 6-4 1-6 6-4 |
Averages over each player's completed matches in the selected window (54 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About