Natalia Gussoni defeated Melisa Arevalo 6-0 6-3 in the Buenos Aires 10K semi-final on clay. Natalia Gussoni extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-08-20 | Buenos Aires 10K | F | clay | Natalia Gussoni | 6-4 6-0 |
| 1998-08-31 | Guayaquil 10K | F | clay | Melisa Arevalo | 3-6 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.