Andrea Petkovic defeated Nadia Petrova 7-5 6-1 in the Cincinnati quarter-final on hard. The result followed the form book — Andrea Petkovic came in leading the head-to-head 1–0, defending last year's round of 32. Andrea Petkovic extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-30 | US Open | R128 | hard | Andrea Petkovic | 6-2 4-6 7-6(4) |
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 120). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About