2010 International German Open – Singles

Nikolay Davydenko was the defender of championship title; however, he lost to Andrey Golubev in the third round.

Unseeded Golubev, the biggest surprise of this tournament, won in the final 6–3, 7–5, against Jürgen Melzer.

Seeds
All seeds receive a bye into the second round. • # 🇷🇺 Nikolay Davydenko (third round)

• # 🇪🇸 David Ferrer (withdrew)

• # 🇦🇹 Jürgen Melzer (final)

• # 🇫🇷 Gaël Monfils (withdrew due to a right ankle injury)

• # 🇪🇸 Nicolás Almagro (second round)

• # 🇪🇸 Juan Carlos Ferrero (quarterfinals)

• # 🇧🇷 Thomaz Bellucci (quarterfinals)

• # 🇪🇸 Albert Montañés (second round)

• # 🇫🇷 Gilles Simon (second round)

• # 🇩🇪 Philipp Kohlschreiber (third round)

• # 🇪🇸 Tommy Robredo (second round)

• # 🇷🇴 Victor Hănescu (second round)

• # 🇩🇪 Philipp Petzschner (second round)

• # 🇪🇸 Guillermo García López (withdrew)

• # 🇺🇦 Alexandr Dolgopolov (second round)

• # 🇩🇪 Michael Berrer (second round)

Seeds
• # 🇪🇸 Pere Riba (qualified)

• # 🇪🇸 Marcel Granollers (qualifying competition, lucky loser)

• # 🇪🇸 Rubén Ramírez Hidalgo (qualified)

• # 🇩🇪 Björn Phau (qualified)

• # 🇮🇹 Simone Bolelli (qualified)

• # 🇰🇿 Yuri Schukin (first round)

• # 🇪🇸 Albert Ramos Viñolas (qualifying competition, lucky loser)

• # 🇫🇷 Marc Gicquel (qualifying competition, lucky loser)

• # 🇪🇸 Iván Navarro (qualifying competition)

• # 🇧🇪 Christophe Rochus (qualified)

• # 🇫🇷 Guillaume Rufin (qualifying competition, retired due to a hamstring injury)

• # 🇷🇴 Victor Crivoi (qualifying competition)

Qualifiers
• # 🇪🇸 Pere Riba

• # 🇧🇪 Christophe Rochus

• # 🇪🇸 Rubén Ramírez Hidalgo

• # 🇩🇪 Björn Phau

• # 🇮🇹 Simone Bolelli

• # 🇨🇿 Lukáš Rosol

Lucky losers
• # 🇪🇸 Marcel Granollers

• # 🇪🇸 Albert Ramos Viñolas

• # 🇫🇷 Marc Gicquel