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)

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