Roger Federer was the defending champion and won in the final 6–3, 6–3, 6–3 against Carlos Moyá.
Seeds
Roger Federer (champion) Carlos Moyá (final) Jiří Novák (first round) Sjeng Schalken (second round) Agustín Calleri (second round, withdrew because of the flu) Tommy Robredo (first round) Nicolás Massú (first round) Albert Costa (second round)
Draw
Final
Section 1
Section 2
External links 2003 CA-TennisTrophy draw 2003 CA-TennisTrophy Qualifying draw