| Singles | |
|---|---|
| 2017 Aircel Chennai Open | |
| Champion |  Roberto Bautista Agut |
| Runner-up |  Daniil Medvedev |
| Score | 6–3, 6–4 |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Stan Wawrinka was the three-time defending champion, but chose to compete in Brisbane instead.
Roberto Bautista Agut won the title, defeating Daniil Medvedev in the final, 6–3, 6–4.
The top four seeds received a bye into the second round.
Marin Čilić (second round) Roberto Bautista Agut (champion) Albert Ramos Viñolas (quarterfinals)
Martin Kližan (second round)
Benoît Paire (semifinals) Borna Ćorić (first round) Mikhail Youzhny (quarterfinals)
Lu Yen-hsun (second round)| Semifinals | Final | ||||||||||||
| Daniil Medvedev | 4 | 77 | 6 | ||||||||||
 Dudi Sela | 6 | 62 | 2 | ||||||||||
| Daniil Medvedev | 3 | 4 | |||||||||||
| 2 | Roberto Bautista Agut | 6 | 6 | ||||||||||
| 5 | Benoît Paire | 3 | 3 | ||||||||||
| 2 | Roberto Bautista Agut | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Čilić | 65 | 7 | 5 | |||||||||||||||||||||||
| Q | J Kovalík | 65 | 6 | 6 | Q | J Kovalík | 77 | 5 | 7 | ||||||||||||||||||
 G Elias | 77 | 4 | 2 | Q | J Kovalík | 1 | 4 | ||||||||||||||||||||
 T Monteiro | 3 | 3 | D Medvedev | 6 | 6 | ||||||||||||||||||||||
| D Medvedev | 6 | 6 | D Medvedev | 6 | 6 | ||||||||||||||||||||||
 R Albot | 2 | 1 | 8 | Y-h Lu | 4 | 3 | |||||||||||||||||||||
| 8 | Y-h Lu | 6 | 6 | D Medvedev | 4 | 77 | 6 | ||||||||||||||||||||
| D Sela | 6 | 62 | 2 | ||||||||||||||||||||||||
| 3 | A Ramos Viñolas | 6 | 6 | ||||||||||||||||||||||||
 S Darcis | 6 | 6 | S Darcis | 2 | 0 | ||||||||||||||||||||||
| Q | N Mektić | 2 | 3 | 3 | A Ramos Viñolas | 5 | 4 | ||||||||||||||||||||
 D Džumhur | 2 | 2 | D Sela | 7 | 6 | ||||||||||||||||||||||
| D Sela | 6 | 6 | D Sela | 6 | 6 | ||||||||||||||||||||||
| Q |  H Chung | 6 | 7 | Q | H Chung | 2 | 2 | ||||||||||||||||||||
| 6 | B Ćorić | 3 | 5 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | B Paire | 6 | 6 | ||||||||||||||||||||||||
| K Kravchuk | 3 | 4 | 5 | B Paire | 6 | 6 | |||||||||||||||||||||
| WC |  R Ramanathan | 1 | 1 | Q | Y Bhambri | 3 | 4 | ||||||||||||||||||||
| Q | Y Bhambri | 6 | 6 | 5 | B Paire | 6 | 6 | ||||||||||||||||||||
 A Bedene | 6 | 6 | A Bedene | 3 | 0 | ||||||||||||||||||||||
| G García López | 3 | 3 | A Bedene | 77 | 63 | 77 | |||||||||||||||||||||
| 4 | M Kližan | 63 | 77 | 62 | |||||||||||||||||||||||
| 5 | B Paire | 3 | 3 | ||||||||||||||||||||||||
| 7 | M Youzhny | 6 | 6 | 2 | R Bautista Agut | 6 | 6 | ||||||||||||||||||||
| WC | S Myneni | 4 | 3 | 7 | M Youzhny | 6 | 7 | ||||||||||||||||||||
 R Olivo | 77 | 6 | R Olivo | 1 | 5 | ||||||||||||||||||||||
| WC |  C Ruud | 63 | 2 | 7 | M Youzhny | 6 | 4 | 4 | |||||||||||||||||||
| R Dutra Silva | 77 | 4 | 77 | 2 | R Bautista Agut | 2 | 6 | 6 | |||||||||||||||||||
 D Lajović | 62 | 6 | 63 | R Dutra Silva | 3 | 2 | |||||||||||||||||||||
| 2 | R Bautista Agut | 6 | 6 | ||||||||||||||||||||||||
Chung Hyeon (qualified) Nicolás Kicker (qualifying competition) Jozef Kovalík (qualified) Marco Trungelliti (qualifying competition)
Steven Diez (first round)
Hiroki Moriya (first round)
Federico Gaio (first round) Marco Cecchinato (first round)| First round | Qualifying competition | ||||||||||||
| 1 | Chung Hyeon | 6 | 6 | ||||||||||
| Miljan Zekić | 1 | 3 | |||||||||||
| 1 | Chung Hyeon | 6 | 77 | ||||||||||
| PR |  Jürgen Melzer | 0 | 64 | ||||||||||
| PR | Jürgen Melzer | 6 | 6 | ||||||||||
| 5 | Steven Diez | 1 | 1 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Nicolás Kicker | 65 | 6 | 7 | |||||||||
| WC | Sasikumar Mukund | 77 | 3 | 5 | |||||||||
| 2 | Nicolás Kicker | 3 | 1 | ||||||||||
| WC | Yuki Bhambri | 6 | 6 | ||||||||||
| WC | Yuki Bhambri | 7 | 6 | ||||||||||
| 8 | Marco Cecchinato | 5 | 1 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Jozef Kovalík | 6 | 6 | ||||||||||
| Franko Škugor | 3 | 4 | |||||||||||
| 3 | Jozef Kovalík | 77 | 6 | ||||||||||
| Prajnesh Gunneswaran | 62 | 2 | |||||||||||
| Prajnesh Gunneswaran | 6 | 6 | |||||||||||
| 6 | Hiroki Moriya | 2 | 3 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Marco Trungelliti | 6 | 6 | ||||||||||
| Alessandro Bega | 0 | 4 | |||||||||||
| 4 | Marco Trungelliti | 5 | 2 | ||||||||||
| Alt | Nikola Mektić | 7 | 6 | ||||||||||
| Alt | Nikola Mektić | 6 | 6 | ||||||||||
| 7 | Federico Gaio | 3 | 0 | ||||||||||
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