Anna Lena Groenefeld defeated Amelie Mauresmo 6-4 6-3 in the Roland Garros round of 128 on clay. The upset overturned the form book — Amelie Mauresmo came in leading the head-to-head 5–0, defending last year's round of 64. Anna Lena Groenefeld claimed a first win over Amelie Mauresmo in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-09 | Indian Wells | R64 | hard | Amelie Mauresmo | 5-7 6-3 6-4 |
| 2008-10-20 | Luxembourg | R16 | hard | Amelie Mauresmo | 6-3 6-1 |
| 2005-08-29 | US Open | R32 | hard | Amelie Mauresmo | 7-5 6-3 |
| 2005-08-22 | New Haven | QF | hard | Amelie Mauresmo | 6-3 6-2 |
| 2004-04-24 | Fed Cup WG R1: FRA vs GER | RR | clay | Amelie Mauresmo | 6-2 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 (54 vs 33). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About