2018 Shenzhen Longhua Open – Men's singles

Radu Albot was the defending champion but lost in the first round to Zhang Ze.

Miomir Kecmanović won the title after defeating Blaž Kavčič 6–2, 2–6, 6–3 in the final.

Seeds
• # 🇲🇩 Radu Albot (first round)

• # 🇮🇹 Thomas Fabbiano (second round)

• # 🇮🇳 Ramkumar Ramanathan (second round)

• # 🇮🇳 Prajnesh Gunneswaran (first round)

• # 🇷🇸 Miomir Kecmanović (champion)

• # 🇯🇵 Yūichi Sugita (second round)

• # 🇯🇵 Go Soeda (first round)

• # 🇨🇦 Filip Peliwo (second round)