Alienor Tricerri defeated Carla Tiene 6-3 6-4 in the Coatzacoalcos 10K round of 32 on hard. The upset overturned the form book — Carla Tiene came in leading the head-to-head 1–0. Alienor Tricerri claimed a first win over Carla Tiene in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-17 | CD Juarez 10K | QF | hard | Carla Tiene | 7-5 2-6 6-4 |