2003 Generali Open – SinglesÀlex Corretja was the defending champion but lost in the second round to Werner Eschauer.Guillermo Coria won in the final 6–1, 6–4, 6–2 against Nicolás Massú.SeedsA champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. All sixteen seeds received a bye to the second round. Juan Carlos Ferrero ' Guillermo Coria Rainer Schüttler ' Albert Costa ' Younes El Aynaoui ' Mikhail Youzhny ' Gastón Gaudio ' Juan Ignacio Chela ' Mariano Zabaleta ' Max Mirnyi ' Nikolay Davydenko ' Àlex Corretja ' Feliciano López ' Sargis Sargsian ' Flávio Saretta ' David Sánchez ''''