Jacobo Diaz defeated Hector Ruiz Cadenas 6-4 7-5 in the Spain F15 final on clay. The upset overturned the form book — Hector Ruiz Cadenas came in leading the head-to-head 1–0, but Jacobo Diaz had been the form player, winning 7 of their last 8 on clay. Jacobo Diaz claimed a first win over Hector Ruiz Cadenas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-16 | Spain F3 | R32 | clay | Hector Ruiz Cadenas | 2-6 6-4 6-4 |