2003 CAM Open Comunidad Valenciana – Singles

Gastón Gaudio was the defending champion but lost in the quarterfinals to Flávio Saretta.

Juan Carlos Ferrero won in the final 6–2, 6–4 against Christophe Rochus.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇪🇸 Juan Carlos Ferrero (champion)
 * 2) 🇷🇺 Marat Safin (first round)
 * 3) 🇪🇸 Àlex Corretja (first round)
 * 4) 🇦🇷 Gastón Gaudio (quarterfinals)
 * 5) 🇦🇷 Agustín Calleri (quarterfinals)
 * 6) 🇦🇷 Mariano Zabaleta (first round)
 * 7) 🇦🇷 José Acasuso (first round)
 * 8) 🇪🇸 David Sánchez (second round)