Nadia Petrova defeated Lilia Osterloh 7-5 6-0 in the Rome round of 32 on clay. The result followed the form book — Nadia Petrova came in leading the head-to-head 3–0. Nadia Petrova extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-11 | Cincinnati | QF | hard | Nadia Petrova | 6-2 6-3 |
| 2008-05-19 | Istanbul | R32 | clay | Nadia Petrova | 6-1 6-2 |
| 2007-08-06 | Los Angeles | R32 | hard | Nadia Petrova | 7-5 6-3 |
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 52). ATP, WTA & Challenger.