Sergio Perez Perez defeated Luis Antonio Perez Perez 6-3 6-4 in the Spain F22 round of 16 on hard. The upset overturned the form book — Luis Antonio Perez Perez came in leading the head-to-head 2–1. Sergio Perez Perez narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-25 | Spain F31 | R32 | hard | Luis Antonio Perez Perez | 6-4 6-4 |
| 2006-09-18 | Spain F30 | R32 | hard | Luis Antonio Perez Perez | 6-3 7-5 |
| 2004-12-13 | Spain F34A | R32 | clay | Sergio Perez Perez | 7-5 6-4 |