Mariana Diaz Oliva defeated Frederica Piedade 6-2 6-2 in the San Luis Potosi 25K qualifying round on hard. The result followed the form book — Mariana Diaz Oliva came in leading the head-to-head 1–0. Mariana Diaz Oliva extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-06 | Juarez 50K | R32 | clay | Mariana Diaz Oliva | 6-2 7-5 |
Averages over each player's completed matches in the selected window (22 vs 4). 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