Mariana Diaz Oliva defeated Galina Voskoboeva 1-6 6-3 7-6 in the Prostejov 75K round of 32 on clay. The result followed the form book — Mariana Diaz Oliva came in leading the head-to-head 2–0. Mariana Diaz Oliva extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-13 | Bali | QF | hard | Mariana Diaz Oliva | 6-7(4) 7-5 6-4 |
| 2004-06-07 | Marseille 50K | R32 | clay | Mariana Diaz Oliva | 6-2 4-6 6-3 |
Averages over each player's completed matches in the selected window (13 vs 169). 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