2018 Ningbo Challenger – Singles

Mikhail Youzhny was the defending champion but retired from professional tennis earlier in the year.

Thomas Fabbiano won the title after defeating Prajnesh Gunneswaran 7–6(7–4), 4–6, 6–3 in the final.

Seeds
• # 🇵🇱 Hubert Hurkacz (second round)

• # 🇲🇩 Radu Albot (semifinals)

• # 🇮🇹 Thomas Fabbiano (champion)

• # 🇮🇳 Ramkumar Ramanathan (first round)

• # 🇷🇸 Miomir Kecmanović (semifinals)

• # 🇪🇸 Enrique López Pérez (first round)

• # 🇮🇳 Prajnesh Gunneswaran (final)

• # 🇯🇵 Tatsuma Ito (quarterfinals)