Akiko Morigami defeated Nadia Petrova 6-2 6-2 in the Roland Garros round of 128 on clay. The upset overturned the form book — Nadia Petrova came in leading the head-to-head 3–0, defending last year's semi-final. Akiko Morigami claimed a first win over Nadia Petrova in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-11 | Charleston | R32 | clay | Nadia Petrova | 6-4 6-0 |
| 2004-09-13 | Bali | R32 | hard | Nadia Petrova | 6-2 3-1 RET |
| 2004-04-12 | Charleston | R32 | clay | Nadia Petrova | 6-3 4-6 7-6(7) |
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 (51 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About