2018 ATP Challenger China International – Nanchang – Singles

Hiroki Moriya was the defending champion but chose not to defend his title.

Quentin Halys won the title after defeating Calvin Hemery 6–3, 6–2 in the final.

Seeds
• # 🇷🇺 Evgeny Donskoy (quarterfinals)

• # 🇦🇺 Jordan Thompson (semifinals)

• # 🇫🇷 Quentin Halys (champion)

• # 🇮🇳 Ramkumar Ramanathan (quarterfinals)

• # 🇫🇷 Calvin Hemery (final)

• # 🇯🇵 Go Soeda (first round)

• # 🇯🇵 Tatsuma Ito (first round)

• # 🇦🇺 Alex Bolt (second round)