2004 Qatar Open – SinglesStefan Koubek was the defending champion but lost in the second round to Hyung-Taik Lee.Nicolas Escudé won in the final 6–3, 7–6 against Ivan Ljubičić.Seeds Andy Roddick ' Rainer Schüttler ' Mark Philippoussis ' Sébastien Grosjean ' Nicolás Massú ' Younes El Aynaoui ' Tim Henman Agustín Calleri ''''