Conchita Martinez Granados defeated Mariana Diaz Oliva 6-4 3-6 6-1 in the Roland Garros round of 128 on clay. The upset overturned the form book — Mariana Diaz Oliva came in leading the head-to-head 3–0, defending last year's round of 64. Conchita Martinez Granados claimed a first win over Mariana Diaz Oliva in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-06-03 | Caserta 50K | R32 | clay | Mariana Diaz Oliva | 7-5 6-7(3) 6-4 |
| 2000-12-04 | Santa Fe De Bogota | QF | clay | Mariana Diaz Oliva | 7-6(6) 6-3 |
| 1997-10-27 | Mogi Das Cruzes 25K | F | clay | Mariana Diaz Oliva | 6-0 6-0 |
Averages over each player's completed matches in the selected window (9 vs 12). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About