| Men's Singles | |
|---|---|
| 2003 Abierto Mexicano Telefonica Movistar | |
| Champion |
|
| Runner-up |
|
| Final score | 7–5, 3–6, 6–3 |
Carlos Moyá was the defending champion but lost in the quarterfinals to Félix Mantilla.
Agustín Calleri won in the final 7–5, 3–6, 6–3 against Mariano Zabaleta.