2015 Dunlop World Challenge – Men's singles

Yoshihito Nishioka won the title, defeating Alexander Kudryavtsev in the final 6–3, 6–4.

Seeds
• # 🇦🇺 Matthew Ebden (first round, retired)

• # 🇯🇵 Tatsuma Ito (quarterfinals)

• # 🇦🇺 James Duckworth (second round)

• # 🇯🇵 Go Soeda (second round, retired)

• # 🇯🇵 Yūichi Sugita (semifinals)

• # 🇷🇺 Konstantin Kravchuk (semifinals)

• # 🇯🇵 Yoshihito Nishioka (champion)

• # 🇦🇺 Jordan Thompson (first round)