2003 Hamburg Masters – Singles
was the defending champion but lost in the third round to Mark Philippoussis.
Guillermo Coria won in the final 6-3, 6-4, 6-4 against Agustín Calleri.Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
- Lleyton Hewitt '
- Carlos Moyá '
- Roger Federer '
- Andy Roddick '
- Albert Costa '
- Jiří Novák '
- Paradorn Srichaphan '
- David Nalbandian '
- Rainer Schüttler '
- Sébastien Grosjean '
- Gustavo Kuerten '
- Guillermo Coria
- Àlex Corretja '
- Tommy Robredo '
- Fernando González '
- James Blake
Draw
Finals
Top Half
Section 1
Section 2
Section 3
Section 4