2009 BMW Open – Singles

Fernando González was the defending champion, but was unable to play due to an injury.

Seeds
• # Fernando González (withdrew due to ankle injury)

• # Marin Čilić (quarterfinals)

• # 🇪🇸 Nicolás Almagro (second round)

• # 🇨🇿 Tomáš Berdych (champion)

• # 🇩🇪 Rainer Schüttler (first round)

• # 🇩🇪 Nicolas Kiefer (second round)

• # 🇫🇷 Paul-Henri Mathieu (quarterfinals)

• # 🇷🇺 Igor Kunitsyn (first round)