2003 Abierto Mexicano Telefonica Movistar – Men's Singles

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.

2003 Abierto Mexicano Telefonica Movistar – Men's Singles

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.