2019 Chengdu Challenger – Singles

Zhang Ze was the defending champion but lost in the third round to Bai Yan.

Chung Hyeon won the title after defeating Yūichi Sugita 6–4, 6–3 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇦🇺 James Duckworth (quarterfinals)

• # 🇰🇷 Chung Hyeon (champion)

• # 🇯🇵 Tatsuma Ito (semifinals)

• # 🇨🇳 Zhang Ze (third round)

• # 🇰🇷 Chung Yun-seong (second round)

• # 🇯🇵 Yūichi Sugita (final)

• # Gonçalo Oliveira (third round)

• # 🇮🇳 Saketh Myneni (third round)

• # Wu Tung-lin (second round)

• # 🇰🇷 Nam Ji-sung (quarterfinals)

• # 🇨🇳 Zhang Zhizhen (quarterfinals)

• # Yang Tsung-hua (second round)

• # 🇬🇧 Brydan Klein (second round, retired)

• # 🇨🇳 Wu Di (third round)

• # 🇨🇳 Xia Zihao (second round)

• # 🇨🇳 Bai Yan (semifinals)