Lucie Safarova defeated Nadia Petrova 6-1 1-6 6-4 in the Madrid quarter-final on clay. The upset overturned the form book — Nadia Petrova came in leading the head-to-head 5–0, defending last year's round of 16. Lucie Safarova claimed a first win over Nadia Petrova in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-27 | US Open | R32 | hard | Nadia Petrova | 6-4 7-5 |
| 2010-08-16 | Montreal | R64 | hard | Nadia Petrova | 7-5 4-6 6-3 |
| 2007-02-05 | Paris | F | carpet | Nadia Petrova | 4-6 6-1 6-4 |
| 2006-04-10 | Charleston | R16 | clay | Nadia Petrova | 6-1 6-3 |
| 2006-04-03 | Amelia Island | SF | clay | Nadia Petrova | 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 (198 vs 167). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About