Tsvetana Pironkova defeated Vera Zvonareva 6-0 6-2 in the Moscow round of 16 on hard. The upset overturned the form book — Vera Zvonareva came in leading the head-to-head 2–1, defending last year's final. Tsvetana Pironkova narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-26 | Tokyo | R32 | hard | Vera Zvonareva | 7-5 6-0 |
| 2011-06-20 | Wimbledon | R32 | grass | Tsvetana Pironkova | 6-2 6-3 |
| 2010-06-21 | Wimbledon | SF | grass | Vera Zvonareva | 3-6 6-3 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 (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About