Nadia Petrova defeated Melinda Czink 6-1 6-4 in the Quebec City quarter-final on hard. The upset overturned the form book — Melinda Czink came in leading the head-to-head 2–0, but Nadia Petrova had been the form player, winning 3 of their last 6 on hard. Nadia Petrova claimed a first win over Melinda Czink in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-14 | Quebec City | QF | hard | Melinda Czink | 7-6(4) 0-0 RET |
| 2009-04-13 | Charleston | R16 | clay | Melinda Czink | 3-6 6-4 7-5 |
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 134). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About