# 2017 Aircel Chennai Open – Singles

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.

## Seeds

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)

## Draw
### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Daniil Medvedev | 4 | 7$^7$ | 6 | | | | |
| | Dudi Sela | 6 | 6$^2$ | 2 | | | | |
| | Dudi Sela | 6 | 6$^2$ | 2 | | Daniil Medvedev | 3 | 4 |
| | | | | | 2 | Roberto Bautista Agut | 6 | 6 |
| 5 | Benoît Paire | 3 | 3 | | 2 | Roberto Bautista Agut | 6 | 6 |
| 2 | Roberto Bautista Agut | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | M Čilić | 6$^5$ | 7 | 5 | | | | | | | | |
| Q | J Kovalík | 6$^5$ | 6 | 6 | Q | J Kovalík | 7$^7$ | 5 | 7 | | | | | | | | |
| | G Elias | 7$^7$ | 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 | 7$^7$ | 6 |
| | | | | | | | | | | | | | | D Sela | 6 | 6$^2$ | 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 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | 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 | 7$^7$ | 6$^3$ | 7$^7$ | | | | | | | | | |
| | | | | | 4 | M Kližan | 6$^3$ | 7$^7$ | 6$^2$ | | | | | | | | | |
| | | | | | | | | | | | | | | | 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 | 7$^7$ | 6 | | | R Olivo | 1 | 5 | | | | | | | | | | |
| WC | C Ruud | 6$^3$ | 2 | | | | | | | 7 | M Youzhny | 6 | 4 | 4 | | | | |
| | R Dutra Silva | 7$^7$ | 4 | 7$^7$ | | | | | | 2 | R Bautista Agut | 2 | 6 | 6 | | | | |
| | D Lajović | 6$^2$ | 6 | 6$^3$ | | R Dutra Silva | 3 | 2 | | | | | | | | | | |
| | | | | | 2 | R Bautista Agut | 6 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* 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)

### Qualifiers

* Chung Hyeon
* Yuki Bhambri
* Jozef Kovalík
* Nikola Mektić

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Chung Hyeon | 6 | 6 | | | | |
| | Miljan Zekić | 1 | 3 | | | | |
| | Miljan Zekić | 1 | 3 | 1 | Chung Hyeon | 6 | 7$^7$ |
| | | | | PR | Jürgen Melzer | 0 | 6$^4$ |
| PR | Jürgen Melzer | 6 | 6 | PR | Jürgen Melzer | 0 | 6$^4$ |
| 5 | Steven Diez | 1 | 1 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Nicolás Kicker | 6$^5$ | 6 | 7 | | | | |
| WC | Sasikumar Mukund | 7$^7$ | 3 | 5 | | | | |
| WC | Sasikumar Mukund | 7$^7$ | 3 | 5 | 2 | Nicolás Kicker | 3 | 1 |
| | | | | | WC | Yuki Bhambri | 6 | 6 |
| WC | Yuki Bhambri | 7 | 6 | | WC | Yuki Bhambri | 6 | 6 |
| 8 | Marco Cecchinato | 5 | 1 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Jozef Kovalík | 6 | 6 | | | | |
| | Franko Škugor | 3 | 4 | | | | |
| | Franko Škugor | 3 | 4 | 3 | Jozef Kovalík | 7$^7$ | 6 |
| | | | | | Prajnesh Gunneswaran | 6$^2$ | 2 |
| | Prajnesh Gunneswaran | 6 | 6 | | Prajnesh Gunneswaran | 6$^2$ | 2 |
| 6 | Hiroki Moriya | 2 | 3 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Marco Trungelliti | 6 | 6 | | | | |
| | Alessandro Bega | 0 | 4 | | | | |
| | Alessandro Bega | 0 | 4 | 4 | Marco Trungelliti | 5 | 2 |
| | | | | Alt | Nikola Mektić | 7 | 6 |
| Alt | Nikola Mektić | 6 | 6 | Alt | Nikola Mektić | 7 | 6 |
| 7 | Federico Gaio | 3 | 0 | | | | |