Guillermo Gomez Diaz defeated Pedro Clar Rossello 1-6 7-5 7-6 in the Spain F23 round of 32 on hard. The upset overturned the form book — Pedro Clar Rossello came in leading the head-to-head 1–0. Guillermo Gomez Diaz claimed a first win over Pedro Clar Rossello in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-16 | Spain F24 | R32 | hard | Pedro Clar Rossello | 3-2 |