Larissa Schaerer defeated Valentina Castro 6-1 6-3 in the Santiago 10K round of 32 on clay. The result followed the form book — Larissa Schaerer came in leading the head-to-head 1–0. Larissa Schaerer extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-30 | Asuncion 10K | R16 | clay | Larissa Schaerer | 7-5 6-3 |