| Men's Singles | |
|---|---|
| 2004 Abierto Mexicano Telefonica Movistar | |
| 2003 Champion |
|
| Champion |
|
| Runner-up |
|
| Final score | 6–3, 6–0 |
Agustín Calleri was the defending champion but lost in the first round to Luis Horna.
Carlos Moyá won in the final 6–3, 6–0 against Fernando Verdasco.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.