2019 Chengdu Open – Singles

Bernard Tomic was the defending champion, but retired in the first round of the qualifying tournament against Denis Istomin.

Pablo Carreño Busta won the title, defeating Alexander Bublik in the final, 6–7(5–7), 6–4, 7–6(7–3).

Seeds
The top four seeds received a bye into the second round. • #🇺🇸 John Isner (second round)

• #🇨🇦 Félix Auger-Aliassime (second round)

• #🇫🇷 Benoît Paire (second round)

• #🇧🇬 Grigor Dimitrov (quarterfinals)

• #🇷🇸 Dušan Lajović (second round)

• #🇺🇸 Taylor Fritz (first round)

• #🇬🇧 Kyle Edmund (first round)

• #🇨🇦 Denis Shapovalov (semifinals)

Seeds
• # 🇵🇱 Kamil Majchrzak (qualified)

• # 🇩🇪 Peter Gojowczyk (withdrew, accepted into Zhuhai main draw)

• # 🇦🇺 Alexei Popyrin (qualified)

• # 🇺🇸 Bradley Klahn (qualified)

• # 🇦🇺 Bernard Tomic (first round, retired)

• # Lloyd Harris (qualifying competition, lucky loser)

• # Jason Jung (qualified)

• # 🇦🇺 James Duckworth (qualifying competition)

Qualifiers
• # 🇵🇱 Kamil Majchrzak (withdrew)

• # Jason Jung

• # 🇦🇺 Alexei Popyrin

• # 🇺🇸 Bradley Klahn

Lucky loser
• # Lloyd Harris