Mariana Lopez Palacios defeated Lilian Silva 6-2 6-4 in the Lima 10K round of 16 on clay. The upset overturned the form book — Lilian Silva came in leading the head-to-head 1–0, but Mariana Lopez Palacios had been the form player, winning 6 of their last 9 on clay. Mariana Lopez Palacios claimed a first win over Lilian Silva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-25 | Guayaquil 10K | R32 | clay | Lilian Silva | 6-2 6-1 |