Geraldine Aizenberg defeated Lilian Silva 7-6 6-2 in the Buenos Aires 25K round of 32 on clay. The upset overturned the form book — Lilian Silva came in leading the head-to-head 1–0, but Geraldine Aizenberg had been the form player, winning 7 of their last 9 on clay. Geraldine Aizenberg claimed a first win over Lilian Silva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-06-30 | Campinas 25K | R16 | clay | Lilian Silva | 7-6 6-2 |