Carlos Cuadrado defeated Ruben Merchan 6-1 6-0 in the Spain 3 4 final on clay. The upset overturned the form book — Ruben Merchan came in leading the head-to-head 1–0, but Carlos Cuadrado had been the form player, winning 7 of their last 10 on clay. Carlos Cuadrado claimed a first win over Ruben Merchan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-01 | Spain F30 | R32 | clay | Ruben Merchan | 3-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.