2018 Kunming Open – Men's singles

Janko Tipsarević was the defending champion but chose not to defend his title.

Prajnesh Gunneswaran won the title after defeating Mohamed Safwat 5–7, 6–3, 6–1 in the final.

Seeds
• # 🇨🇦 Vasek Pospisil (second round)

• # 🇷🇺 Evgeny Donskoy (first round)

• # 🇦🇺 Jordan Thompson (semifinals)

• # 🇮🇳 Ramkumar Ramanathan (first round)

• # 🇫🇷 Quentin Halys (first round)

• # 🇫🇷 Calvin Hemery (second round)

• # 🇦🇺 Alex Bolt (first round)

• # 🇰🇷 Kwon Soon-woo (quarterfinals)