Maria Jose Argeri defeated Valentina Castro 4-6 6-2 6-1 in the Santiago 10K round of 16 on clay. The result followed the form book — Maria Jose Argeri came in leading the head-to-head 1–0. Maria Jose Argeri extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-27 | Caracas 10K | R16 | hard | Maria Jose Argeri | 6-3 6-2 |