2018 Chengdu Open – Singles

Denis Istomin was the defending champion, but chose not to participate this year.

Bernard Tomic won the title, defeating Fabio Fognini in the final, 6–1, 3–6, 7–6(9–7).

Seeds
The top four seeds receive a bye into the second round. • #🇮🇹 Fabio Fognini (final)

• #🇰🇷 Chung Hyeon (second round)

• # Nikoloz Basilashvili (second round)

• #🇫🇷 Adrian Mannarino (second round)

• #🇫🇷 Gaël Monfils (first round)

• #🇦🇺 Matthew Ebden (quarterfinals)

• # João Sousa (semifinals)

• #🇺🇸 Tennys Sandgren (first round)

Seeds
• # 🇦🇺 Jason Kubler (first round)

• # 🇧🇪 Ruben Bemelmans (qualified)

• # 🇦🇺 Bernard Tomic (qualified)

• # Lloyd Harris (qualified)

• # 🇨🇦 Félix Auger-Aliassime (qualifying competition, lucky loser)

• # Ernests Gulbis (first round)

• # 🇮🇳 Prajnesh Gunneswaran (qualified)

• # 🇷🇸 Miomir Kecmanović (qualifying competition)

Qualifiers
• # 🇮🇳 Prajnesh Gunneswaran

• # 🇧🇪 Ruben Bemelmans

• # 🇦🇺 Bernard Tomic

• # Lloyd Harris

Lucky loser
• # 🇨🇦 Félix Auger-Aliassime