David Villanueva Perez defeated Stefano Mocci 7-5 4-6 6-3 in the Spain F8 round of 32 on clay. The upset overturned the form book — Stefano Mocci came in leading the head-to-head 1–0. David Villanueva Perez claimed a first win over Stefano Mocci in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-06-07 | Tunisia F1 | R16 | clay | Stefano Mocci | 6-3 6-4 |