Sabina Mediano Alvarez defeated Ana Salas Lozano 6-3 6-4 in the Montemor-o-Novo 10K round of 16 on hard. The upset overturned the form book — Ana Salas Lozano came in leading the head-to-head 2–0. Sabina Mediano Alvarez claimed a first win over Ana Salas Lozano in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-08 | Monzon 25K | R32 | hard | Ana Salas Lozano | 6-3 6-2 |
| 2003-10-20 | Seville 10K | R16 | clay | Ana Salas Lozano | 7-5 6-3 |