Carla Tiene defeated Andrea Benitez 6-2 6-2 in the Aguascalientes 10K qualifying round on clay. The upset overturned the form book — Andrea Benitez came in leading the head-to-head 2–0. Carla Tiene claimed a first win over Andrea Benitez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-10 | Victoria 25K | R16 | hard | Andrea Benitez | 6-4 6-2 |
| 2004-05-03 | Merida 10K | R16 | hard | Andrea Benitez | 7-5 6-4 |