Melisa Arevalo defeated Cecilia Guillenea 6-1 6-1 in the Santiago 10K round of 32 on clay. The result followed the form book — Melisa Arevalo came in leading the head-to-head 1–0. Melisa Arevalo extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-06 | Buenos Aires 10K | SF | clay | Melisa Arevalo | 6-4 6-3 |