2012 Aircel Chennai Open – Singles

Stanislas Wawrinka was the defending champion, but lost in the quarterfinals to Japanese qualifier Go Soeda.

Milos Raonic won the tournament beating top seeded Janko Tipsarević, 6–7(4–7), 7–6(7–4), 7–6(7–4).

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

• # 🇷🇸 Janko Tipsarević (final)

• # 🇪🇸 Nicolás Almagro (semifinals)

• # Stanislas Wawrinka (quarterfinals)

• # 🇨🇦 Milos Raonic (champion)

• # Ivan Dodig (second round)

• # 🇮🇹 Fabio Fognini (first round)

• # 🇧🇪 Xavier Malisse (first round)

• # 🇧🇪 Olivier Rochus (first round)

Seeds
• # 🇫🇷 Stéphane Robert (first round)

• # 🇫🇷 Édouard Roger-Vasselin (Qualifying competition, lucky loser)

• # Izak van der Merwe (qualifying competition)

• # 🇨🇦 Vasek Pospisil (qualified)

• # 🇯🇵 Go Soeda (qualified)

• # Rik de Voest (qualifying competition)

• # 🇪🇸 Arnau Brugués Davi (first round)

• # 🇺🇸 Rajeev Ram (qualifying competition)

Qualifiers
• # 🇯🇵 Yūichi Sugita

• # 🇯🇵 Go Soeda

• # Thiemo de Bakker

• # 🇨🇦 Vasek Pospisil

Lucky losers

 * 1) 🇫🇷 Édouard Roger-Vasselin