Andrea Retolaza Andrade defeated Sandra Gonzalez Salas 7-6 7-6 in the Tortosa 10K round of 32 on clay. The upset overturned the form book — Sandra Gonzalez Salas came in leading the head-to-head 1–0. Andrea Retolaza Andrade claimed a first win over Sandra Gonzalez Salas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-26 | St Cugat 10K | R32 | clay | Sandra Gonzalez Salas | 6-4 6-0 |