2018 Chengdu Challenger – Singles

Lu Yen-hsun was the defending champion but chose not to defend his title.

Zhang Ze won the title after Henri Laaksonen retired at 2–6, 5–2 in the final.

Seeds
• # Henri Laaksonen (final, retired)

• # 🇯🇵 Go Soeda (first round)

• # 🇷🇸 Nikola Milojević (first round)

• # 🇰🇿 Alexander Bublik (second round)

• # 🇯🇵 Tatsuma Ito (quarterfinals, retired)

• # 🇯🇵 Hiroki Moriya (first round)

• # 🇷🇸 Peđa Krstin (second round)

• # Yang Tsung-hua (first round)