2005 Hamburg Masters – Singles

Defending champion Roger Federer defeated Richard Gasquet in the final, 6–3, 7–5, 7–6(7–4) to win the singles tennis title at the 2005 Hamburg European Open. He did not lose a single set in the entire tournament.

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) 🇺🇸 Andy Roddick (first round)
 * 3) 🇷🇺 Marat Safin (second round)
 * 4) 🇦🇷 Gastón Gaudio (third round)
 * 5) 🇬🇧 Tim Henman (third round)
 * 6) 🇪🇸 Rafael Nadal (withdrew because of a left hand injury)
 * 7) 🇪🇸 Carlos Moyá (withdrew because of a shoulder injury)
 * 8) 🇺🇸 Andre Agassi (first round)
 * 9) 🇦🇷 David Nalbandian (first round)
 * 10) 🇦🇷 Guillermo Coria (quarterfinals)
 * 11) 🇸🇪 Joachim Johansson (first round)
 * 12) 🇦🇷 Guillermo Cañas (second round)
 * 13)  Ivan Ljubičić (second round)
 * 14) 🇪🇸 Tommy Robredo (third round)
 * 15) 🇷🇺 Nikolay Davydenko (semifinals)
 * 16) 🇨🇿 Radek Štěpánek (second round)

Qualifying seeds
• # 🇪🇸 Juan Carlos Ferrero (qualified)

• # 🇦🇷 Mariano Puerta (qualified)

• # 🇫🇷 Richard Gasquet (qualified)

• # 🇺🇸 Kevin Kim (first round)

• # 🇧🇪 Christophe Rochus (qualified)

• # 🇫🇷 Paul-Henri Mathieu (qualifying competition, lucky loser)''

• # 🇦🇷 Juan Mónaco (qualifying competition, lucky loser)''

• # 🇪🇸 Santiago Ventura (qualified)

• # 🇺🇸 Robby Ginepri (first round)

• # 🇪🇸 Guillermo García López (qualifying competition)

• # 🇮🇹 Davide Sanguinetti (qualifying competition)

• # 🇪🇸 Félix Mantilla (first round)

• # 🇪🇸 Álex Calatrava (qualifying competition)

• # (n/a)

• # 🇪🇸 Óscar Hernández (qualifying competition)

• # 🇩🇪 Tomas Behrend (qualifying competition)

Qualifiers
• # 🇪🇸 Juan Carlos Ferrero

• # 🇦🇷 Mariano Puerta

• # 🇫🇷 Richard Gasquet

• # 🇮🇹 Andreas Seppi

• # 🇧🇪 Christophe Rochus

• # 🇪🇸 Nicolás Almagro

• # 🇪🇸 David Sánchez

• # 🇪🇸 Santiago Ventura

Lucky losers
• # 🇫🇷 Paul-Henri Mathieu (replaces Carlos Moyá)

• # 🇦🇷 Juan Mónaco (replaces Rafael Nadal)