Tim Henman was the defending champion but did not compete that year.
Nikolay Davydenko won in the final 6–2, 7–6(7–3) against Kristof Vliegen.
Seeds
Wayne Ferreira (first round) Max Mirnyi (second round) Thomas Enqvist (first round) Ivan Ljubičić (second round) Mariano Zabaleta (quarterfinals) Alberto Martín (quarterfinals) Olivier Rochus (first round) Vince Spadea (second round)
Draw
Finals
Top half
Bottom half
External links 2003 AAPT Championships Draw 2003 AAPT Championships Qualifying Draw