Ruben Merchan defeated Hector Ruiz Cadenas 3-6 6-0 6-1 in the Spain F28 round of 32 on clay. The upset overturned the form book — Hector Ruiz Cadenas came in leading the head-to-head 1–0, but Ruben Merchan had been the form player, winning 4 of their last 8 on clay. Ruben Merchan 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 |
|---|---|---|---|---|---|
| 2004-04-12 | Turkey 1 3 | F | clay | Hector Ruiz Cadenas | 6-3 6-4 |