Maria Jose Gaidano defeated Alicia Ortuno 6-1 6-3 in the Cali 25K round of 16 on clay. The upset overturned the form book — Alicia Ortuno came in leading the head-to-head 1–0. Maria Jose Gaidano claimed a first win over Alicia Ortuno in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-02 | Mogi Das Cruzes 25K | R16 | clay | Alicia Ortuno | 6-4 6-3 |