2017 Istanbul Open – Singles

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.

Seeds
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)

Seeds
• # 🇩🇪 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)

Qualifiers
• # 🇮🇹 Riccardo Bellotti

• # 🇩🇪 Daniel Brands

• # 🇪🇸 Adrián Menéndez Maceiras

• # Stefanos Tsitsipas

Lucky loser
• # 🇪🇬 Mohamed Safwat