2018 Shanghai Challenger – Singles

Wu Yibing was the defending champion but lost in the second round to Li Zhe.

Blaž Kavčič won the title after defeating Hiroki Moriya 6–1, 7–6(7–1) in the final.

Seeds
• # Jason Jung (second round)

• # 🇪🇸 Enrique López Pérez (withdrew)

• # 🇯🇵 Tatsuma Ito (first round, retired)

• # 🇨🇳 Zhang Ze (first round)

• # 🇯🇵 Go Soeda (first round)

• # 🇨🇦 Filip Peliwo (first round)

• # 🇷🇸 Miomir Kecmanović (semifinals, retired)

• # 🇯🇵 Hiroki Moriya (final)