Gisela Riera Roura defeated Conchita Martinez Granados 3-6 6-4 6-3 in the Sao Paulo round of 32 on hard. The result followed the form book — Gisela Riera Roura came in leading the head-to-head 1–0. Gisela Riera Roura extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-21 | Tucuman 25K | SF | clay | Gisela Riera Roura | 5-7 6-1 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.