Chennai 2011
Stan Wawrinka won the title, beating Xavier Malisse 7–5 4–6 6–1 in the final.
Main draw 32 players
- 1🇨🇿Tomas BerdychSemifinals · Lost to Stan Wawrinka
- 2🇭🇷Marin Cilic#97Round of 32 · Lost to Kei Nishikori
- 3🇨🇭Stan Wawrinka#164Final · Champion
- 4🇫🇷Richard GasquetRound of 16 · Lost to Bjorn Phau
- 5🇫🇷Jeremy ChardyRound of 32 · Lost to Blaz Kavcic
- 6🇷🇸Janko TipsarevicSemifinals · Lost to Xavier Malisse
- 7🇧🇪Xavier MalisseFinal · Lost to Stan Wawrinka
- 8🇳🇱Robin HaaseQuarterfinals · Lost to Stan Wawrinka
- 🇩🇪Bjorn PhauQuarterfinals · Lost to Xavier Malisse
- 🇸🇮Blaz KavcicQuarterfinals · Lost to Tomas Berdych
- 🇯🇵Kei NishikoriQuarterfinals · Lost to Janko Tipsarevic
- 🇨🇴Alejandro FallaRound of 16 · Lost to Kei Nishikori
- Q🇷🇺Alexander KudryavtsevRound of 16 · Lost to Janko Tipsarevic
- Q🇧🇪David GoffinRound of 16 · Lost to Stan Wawrinka
- 🇭🇷Ivan DodigRound of 16 · Lost to Tomas Berdych
- 🇺🇸Robert KendrickRound of 16 · Lost to Blaz Kavcic
- 🇫🇷Stephane RobertRound of 16 · Lost to Xavier Malisse
- Q🇯🇵Yuichi SugitaRound of 16 · Lost to Robin Haase
- 🇦🇹Andreas Haider MaurerRound of 32 · Lost to Stephane Robert
- 🇩🇪Denis GremelmayrRound of 32 · Lost to Robert Kendrick
- JAMDustin BrownRound of 32 · Lost to Yuichi Sugita
- Q🇫🇷Edouard Roger-VasselinRound of 32 · Lost to Richard Gasquet
- 🇦🇷Eduardo SchwankRound of 32 · Lost to Janko Tipsarevic
- 🇨🇦Frank DancevicRound of 32 · Lost to Robin Haase
- 🇵🇹Frederico GilRound of 32 · Lost to Tomas Berdych
- 🇧🇷Marcos DanielRound of 32 · Lost to Ivan Dodig
- 🇹🇷Marsel IlhanRound of 32 · Lost to Xavier Malisse
- WC🇮🇳Rohan BopannaRound of 32 · Lost to Stan Wawrinka
- 🇵🇹Rui MachadoRound of 32 · Lost to Alejandro Falla
- 🇮🇹Simone BolelliRound of 32 · Lost to Bjorn Phau
- 🇮🇳Somdev DevvarmanRound of 32 · Lost to David Goffin
- WC🇮🇳Yuki BhambriRound of 32 · Lost to Alexander Kudryavtsev