Champion Nicolás Massú Final score 1–6, 6–2, 7–6 | ||
Fernando González was the defending champion but did not compete that year.
Nicolás Massú won in the final 1–6, 6–2, 7–6(7–0) against Paul-Henri Mathieu.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
References
2003 Campionati Internazionali di Sicilia – Singles Wikipedia(Text) CC BY-SA