2003 AAPT Championships – SinglesTim Henman was the defending champion but did not compete that year.Nikolay Davydenko won in the final 6–2, 7–6 against Kristof Vliegen.Seeds Wayne Ferreira ' Max Mirnyi ' Thomas Enqvist ' Ivan Ljubičić ' Mariano Zabaleta ' Alberto Martín ' Olivier Rochus Vince Spadea ''''