2015 Santaizi ATP Challenger – Singles

Gilles Müller was the defending champion, but he did not participate this year. He played in Estoril instead.

Sam Groth won the tournament, defeating Konstantin Kravchuk in the final.

Seeds
• # Lu Yen-hsun (quarterfinals)

• # 🇦🇺 Sam Groth (champion)

• # 🇯🇵 Go Soeda (quarterfinals)

• # 🇸🇰 Lukáš Lacko (second round)

• # 🇯🇵 Tatsuma Ito (quarterfinals)

• # 🇺🇸 Ryan Harrison (second round, retired)

• # 🇺🇦 Illya Marchenko (quarterfinals)

• # Jimmy Wang (second round)