Cecilia Guillenea defeated Nathalia Bellizia 6-2 5-7 6-4 in the Asuncion 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 |
|---|---|---|---|---|---|
| 2000-08-07 | Lima 10K | QF | clay | Cecilia Guillenea | 6-4 1-6 6-4 |