Mariana Diaz Oliva defeated Eugenia Maia 6-3 6-3 in the Sao Paulo 25K round of 16 on clay. 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 |
|---|---|---|---|---|---|
| 1997-10-27 | Mogi Das Cruzes 25K | R16 | clay | Mariana Diaz Oliva | 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.