Hector Ruiz Cadenas defeated Marius Zay 6-1 7-5 in the Spain F3 semi-final on clay. The upset overturned the form book — Marius Zay came in leading the head-to-head 1–0. Hector Ruiz Cadenas claimed a first win over Marius Zay in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-27 | Hungary F5 | QF | clay | Marius Zay | 7-6(8) 6-2 |