2017 Kobe Challenger – Singles

Chung Hyeon was the defending champion but chose not to defend his title.

Stéphane Robert won the title after defeating Calvin Hemery 7–6(7–1), 6–7(5–7), 6–1 in the final.

Seeds
• # 🇲🇩 Radu Albot (second round)

• # 🇯🇵 Taro Daniel (first round)

• # 🇦🇺 Matthew Ebden (second round)

• # 🇨🇦 Peter Polansky (second round)

• # 🇯🇵 Tatsuma Ito (second round)

• # 🇦🇺 Akira Santillan (semifinals)

• # 🇯🇵 Go Soeda (quarterfinals)

• # 🇦🇺 John Millman (quarterfinals)