2011 Aircel Chennai Open – Singles

Marin Čilić was the two-time defending champion, but lost in the first round to Kei Nishikori. 3rd seed Stanislas Wawrinka defeated 7th seed Xavier Malisse 7–5, 4–6, 6–1 in the final match.

Seeds
• # 🇨🇿 Tomáš Berdych (semifinals)

• # Marin Čilić (first round)

• # Stanislas Wawrinka (champion)

• # 🇫🇷 Richard Gasquet (second round)

• # 🇫🇷 Jérémy Chardy (first round)

• # 🇷🇸 Janko Tipsarević (semifinals)

• # 🇧🇪 Xavier Malisse (final)

• # Robin Haase (quarterfinals)