Cecilia Guillenea defeated Evelina Scalise 3-6 6-1 6-4 in the Buenos Aires 10K round of 32 on clay. The result followed the form book — Cecilia Guillenea came in leading the head-to-head 1–0. Cecilia Guillenea extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-04 | Santiago 10K | R16 | clay | Cecilia Guillenea | 6-0 6-3 |