2004 Hamburg Masters – Singles

Roger Federer defeated the defending champion Guillermo Coria in the final, 4–6, 6–4, 6–2, 6–3 to win the singles tennis title at the 2004 Hamburg European Open.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1)  Roger Federer (champion)
 * 2) 🇦🇷 Guillermo Coria (final)
 * 3) 🇪🇸 Juan Carlos Ferrero (withdrew because of a hand injury)
 * 4) 🇩🇪 Rainer Schüttler (first round)
 * 5) 🇬🇧 Tim Henman (second round)
 * 6) 🇦🇷 David Nalbandian (first round)
 * 7) 🇪🇸 Carlos Moyà (quarterfinals)
 * 8) 🇫🇷 Sébastien Grosjean (first round)
 * 9)  Nicolas Massú (first round)
 * 10) 🇦🇺 Mark Philippoussis (first round)
 * 11) 🇹🇭 Paradorn Srichaphan (first round)
 * 12)  Martin Verkerk (first round)
 * 13)  Fernando González (third round)
 * 14)  Sjeng Schalken (first round, retired because of a leg injury)
 * 15) 🇨🇿 Jiří Novák (first round)
 * 16) 🇪🇸 Tommy Robredo (third round)
 * 17) 🇦🇺 Lleyton Hewitt (semifinals)