2017 Kurume U.S.E Cup – Singles

Kyōka Okamura was the defending champion, but lost in the second round to Miharu Imanishi.

Laura Robson won the title, defeating Katie Boulter in an all-British final, 6–3, 6–4.

Seeds
• # 🇷🇺 Ksenia Lykina (quarterfinals)

• # 🇯🇵 Riko Sawayanagi (quarterfinals)

• # 🇯🇵 Shiho Akita (first round)

• # 🇬🇧 Laura Robson (champion)

• # 🇯🇵 Junri Namigata (quarterfinals; retired)

• # 🇯🇵 Kyōka Okamura (second round)

• # 🇯🇵 Hiroko Kuwata (first round)

• # 🇬🇧 Katy Dunne (second round)