Maria Alejandra Quezada defeated Alienor Tricerri 7-5 6-4 in the Guayaquil 10K round of 32 on clay. The upset overturned the form book — Alienor Tricerri came in leading the head-to-head 1–0. Maria Alejandra Quezada claimed a first win over Alienor Tricerri in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-21 | Santiago 10K | QF | clay | Alienor Tricerri | 6-2 6-2 |