2013 Aircel Chennai Open – Singles

Milos Raonic was the defending champion, but chose to compete in Brisbane instead. Janko Tipsarević won the title, defeating Roberto Bautista Agut 3–6, 6–1, 6–3 in the final.

Seeds
The top four seeds received a bye into the second round.

• # 🇨🇿 Tomáš Berdych (quarterfinals)

• # 🇷🇸 Janko Tipsarević (champion)

• # Marin Čilić (quarterfinals)

• # Stanislas Wawrinka (quarterfinals)

• # 🇫🇷 Benoît Paire (semifinals)

• # Robin Haase (second round)

• # Lu Yen-hsun (first round)

• # 🇯🇵 Go Soeda (quarterfinals)

Seeds
• # 🇧🇪 Ruben Bemelmans (qualified)

• # 🇩🇪 Philipp Petzschner (second round, retired because of a knee injury)

• # 🇯🇵 Yūichi Sugita (first round)

• # 🇫🇷 Kenny de Schepper (qualifying competition)

• # 🇺🇸 Rajeev Ram (qualified)

• # 🇩🇪 Cedrik-Marcel Stebe (qualified)

• # 🇬🇧 James Ward (qualifying competition)

• # Yang Tsung-hua (first round)

Qualifiers
• # 🇧🇪 Ruben Bemelmans

• # 🇩🇪 Cedrik-Marcel Stebe

• # 🇮🇳 Prakash Amritraj

• # 🇺🇸 Rajeev Ram