Chennai 2013
Stan Wawrinka won the title, beating Edouard Roger-Vasselin 7–5 6–2 in the final.
Main draw 28 players
- 1🇨🇭Stan Wawrinka#164Final · Champion
- 2🇷🇺Mikhail YouzhnyRound of 16 · Lost to Dudi Sela
- 3🇮🇹Fabio FogniniRound of 16 · Lost to Yuki Bhambri
- 4🇫🇷Benoit PaireQuarterfinals · Lost to Marcel Granollers
- 5🇨🇦Vasek PospisilSemifinals · Lost to Stan Wawrinka
- 6🇪🇸Marcel GranollersSemifinals · Lost to Edouard Roger-Vasselin
- 7🇫🇷Edouard Roger-VasselinFinal · Lost to Stan Wawrinka
- 8🇪🇸Roberto Bautista Agut#239Round of 32 · Lost to Alexander Kudryavtsev
- 🇸🇮Aljaz BedeneQuarterfinals · Lost to Stan Wawrinka
- 🇮🇱Dudi SelaQuarterfinals · Lost to Edouard Roger-Vasselin
- WC🇮🇳Yuki BhambriQuarterfinals · Lost to Vasek Pospisil
- Q🇷🇺Alexander KudryavtsevRound of 16 · Lost to Aljaz Bedene
- 🇩🇪Benjamin BeckerRound of 16 · Lost to Stan Wawrinka
- 🇪🇸Guillermo Garcia LopezRound of 16 · Lost to Benoit Paire
- 🇨🇿Jiri VeselyRound of 16 · Lost to Edouard Roger-Vasselin
- Q🇮🇳Ramkumar RamanathanRound of 16 · Lost to Marcel Granollers
- 🇹🇼Yen Hsun LuRound of 16 · Lost to Vasek Pospisil
- 🇪🇸Albert RamosRound of 32 · Lost to Edouard Roger-Vasselin
- 🇰🇿Aleksandr NedovyesovRound of 32 · Lost to Guillermo Garcia Lopez
- Q🇨🇭Henri LaaksonenRound of 32 · Lost to Aljaz Bedene
- WC🇮🇳Jeevan NedunchezhiyanRound of 32 · Lost to Jiri Vesely
- 🇩🇪Julian ReisterRound of 32 · Lost to Benjamin Becker
- WC🇬🇧Kyle EdmundRound of 32 · Lost to Vasek Pospisil
- 🇸🇰Lukas LackoRound of 32 · Lost to Dudi Sela
- 🇪🇸Pablo Carreno Busta#77Round of 32 · Lost to Yuki Bhambri
- Q🇲🇩Radu AlbotRound of 32 · Lost to Marcel Granollers
- 🇮🇳Somdev DevvarmanRound of 32 · Lost to Ramkumar Ramanathan
- 🇺🇸Tim SmyczekRound of 32 · Lost to Yen Hsun Lu