| Singles | |
|---|---|
| 2017 Istanbul Open | |
| Champion |  Marin Čilić |
| Runner-up |  Milos Raonic |
| Score | 7–6(7–3), 6–3 |
| Draw | 28 (4 Q / 3 WC ) |
| Seeds | 8 |
Diego Schwartzman was the defending champion, but lost in the semifinals to Marin Čilić.
Čilić went on to win the title, defeating Milos Raonic in the final, 7–6(7–3), 6–3.
The top four seeds receive a bye into the second round.
Milos Raonic (final) Marin Čilić (champion)
Diego Schwartzman (semifinals)
Paolo Lorenzi (second round)
Viktor Troicki (semifinals)
Bernard Tomic (quarterfinals) Borna Ćorić (first round)
Steve Darcis (quarterfinals)| Semifinals | Final | ||||||||||||
| 1 | Milos Raonic | 6 | 6 | ||||||||||
| 5 | Viktor Troicki | 2 | 3 | ||||||||||
| 1 | Milos Raonic | 63 | 3 | ||||||||||
| 2/WC | Marin Čilić | 77 | 6 | ||||||||||
| 3 | Diego Schwartzman | 1 | 67 | ||||||||||
| 2/WC | Marin Čilić | 6 | 79 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Raonic | 65 | 6 | 77 | |||||||||||||||||||||||
| WC |  M Fucsovics | 63 | 6 | 4 |  A Bedene | 77 | 3 | 63 | |||||||||||||||||||
| A Bedene | 77 | 4 | 6 | 1 | M Raonic | 77 | 78 | ||||||||||||||||||||
 R Dutra Silva | 3 | 77 | 6 | 6 | B Tomic | 64 | 66 | ||||||||||||||||||||
| Q | R Bellotti | 6 | 61 | 0 | R Dutra Silva | 5 | 3 | ||||||||||||||||||||
| LL |  M Safwat | 7 | 5 | 3 | 6 | B Tomic | 7 | 6 | |||||||||||||||||||
| 6 | B Tomic | 5 | 7 | 6 | 1 | M Raonic | 6 | 6 | |||||||||||||||||||
| 5 | V Troicki | 2 | 3 | ||||||||||||||||||||||||
| 4 | P Lorenzi | 4 | 3 | ||||||||||||||||||||||||
| Q |  D Brands | 3 | 4 | SE | L Đere | 6 | 6 | ||||||||||||||||||||
| SE | L Đere | 6 | 6 | SE | L Đere | 2 | 3r | ||||||||||||||||||||
 N Basilashvili | 3 | 77 | 1 | 5 | V Troicki | 6 | 2 | ||||||||||||||||||||
 K Khachanov | 6 | 62 | 6 | K Khachanov | 4 | 65 | |||||||||||||||||||||
 M Baghdatis | 5 | 4 | 5 | V Troicki | 6 | 77 | |||||||||||||||||||||
| 5 | V Troicki | 7 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | B Ćorić | 3 | 77 | 5 | |||||||||||||||||||||||
| D Lajović | 6 | 61 | 7 | D Lajović | 3 | 6 | 6 | ||||||||||||||||||||
| M Youzhny | 3 | 6 | 6 | M Youzhny | 6 | 0 | 3 | ||||||||||||||||||||
| WC |  C İlkel | 6 | 3 | 3 | D Lajović | 5 | 2 | ||||||||||||||||||||
| Q |  A Menéndez Maceiras | 77 | 0 | 0 | 3 | D Schwartzman | 7 | 6 | |||||||||||||||||||
| J Thompson | 64 | 6 | 6 | J Thompson | 1 | 3 | |||||||||||||||||||||
| 3 | D Schwartzman | 6 | 6 | ||||||||||||||||||||||||
| 3 | D Schwartzman | 1 | 67 | ||||||||||||||||||||||||
| 8 | S Darcis | 7 | 6 | 2/WC | M Čilić | 6 | 79 | ||||||||||||||||||||
 D Sela | 5 | 4 | 8 | S Darcis | 6 | 6 | |||||||||||||||||||||
 J Veselý | 7 | 2 | 6 | J Veselý | 2 | 1 | |||||||||||||||||||||
| M Granollers | 5 | 6 | 4 | 8 | S Darcis | 1 | 1 | ||||||||||||||||||||
| Q |  S Tsitsipas | 4 | 5 | 2/WC | M Čilić | 6 | 6 | ||||||||||||||||||||
 D Džumhur | 6 | 7 | D Džumhur | 3 | 2 | ||||||||||||||||||||||
| 2/WC | M Čilić | 6 | 6 | ||||||||||||||||||||||||
Tobias Kamke (first round) Mirza Bašić (first round) Adrián Menéndez Maceiras (qualified) Steven Diez (first round) Mohamed Safwat (qualifying competition, lucky loser) Riccardo Bellotti (qualified) Stefanos Tsitsipas (qualified) Daniel Brands (qualified)| First round | Qualifying competition | ||||||||||||
| 1 | Tobias Kamke | 7 | 5 | 1 | |||||||||
 Laurynas Grigelis | 5 | 7 | 6 | ||||||||||
| Laurynas Grigelis | 2 | 1 | |||||||||||
| 6 | Riccardo Bellotti | 6 | 6 | ||||||||||
| Alt | Andrés Molteni | 3 | 1 | ||||||||||
| 6 | Riccardo Bellotti | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Mirza Bašić | 2 | 1 | ||||||||||
| WC | Miomir Kecmanović | 6 | 6 | ||||||||||
| WC | Miomir Kecmanović | 4 | 4 | ||||||||||
| 8 | Daniel Brands | 6 | 6 | ||||||||||
| Pere Riba | 712 | 65 | 4 | ||||||||||
| 8 | Daniel Brands | 610 | 77 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Adrián Menéndez Maceiras | 7 | 6 | ||||||||||
| Marc Sieber | 5 | 4 | |||||||||||
| 3 | Adrián Menéndez Maceiras | 6 | 6 | ||||||||||
| 5 | Mohamed Safwat | 1 | 2 | ||||||||||
| WC | Altuğ Çelikbilek | 4 | 2 | ||||||||||
| 5 | Mohamed Safwat | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Steven Diez | 62 | 67 | ||||||||||
| Alexey Vatutin | 77 | 79 | |||||||||||
| Alexey Vatutin | 2 | 66 | |||||||||||
| 7 | Stefanos Tsitsipas | 6 | 78 | ||||||||||
| Alex de Minaur | 4 | 2 | |||||||||||
| 7 | Stefanos Tsitsipas | 6 | 6 | ||||||||||
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