Sabrina Valenti defeated Geraldine Aizenberg 6-2 7-6 in the Buenos Aires 25K round of 32 on clay. The upset overturned the form book — Geraldine Aizenberg came in leading the head-to-head 1–0. Sabrina Valenti claimed a first win over Geraldine Aizenberg in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-04 | Buenos Aires 10K | R32 | clay | Geraldine Aizenberg | 7-5 6-4 |