2011 China Open – Men's singles

Novak Djokovic was the defending champion, but was unable to participate due to a back injury.

Tomáš Berdych won the title, defeating Marin Čilić in the final, 3–6, 6–4, 6–1.

Seeds
• # 🇫🇷 Jo-Wilfried Tsonga (semifinals)

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

• # 🇨🇿 Tomáš Berdych (champion)

• # 🇪🇸 Nicolás Almagro (first round)

• # 🇫🇷 Gilles Simon (first round)

• # 🇺🇸 Andy Roddick (first round)

• # 🇺🇸 John Isner (withdrew due to abdominal strain)

• # 🇺🇦 Alexandr Dolgopolov (first round)