2023 Kurume U.S.E Cup

The 2023 Kurume U.S.E Cup was a professional tennis tournament played on outdoor grass courts. It was the sixteenth edition of the tournament, which was part of the 2023 ITF Women's World Tennis Tour. It took place in Kurume, Japan, between 15 and 21 May 2023.

Singles

 * 🇺🇸 Emina Bektas def. 🇨🇳 Ma Yexin, 7–5, 5–7, 6–1

Doubles

 * 🇦🇺 Talia Gibson / 🇨🇳 Wang Yafan def. 🇯🇵 Funa Kozaki / 🇯🇵 Junri Namigata, 6–3, 6–3

Seeds

 * Rankings are as of 8 May 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇯🇵 Honoka Kobayashi
 * 🇯🇵 Miho Kuramochi
 * 🇯🇵 Himari Sato
 * 🇯🇵 Ai Yamaguchi

The following player received entry into the singles main draw using a special ranking:
 * 🇯🇵 Ayano Shimizu

The following player received entry into the singles main draw as a special exempt:
 * 🇯🇵 Natsumi Kawaguchi

The following players received entry from the qualifying draw:
 * 🇯🇵 Shiho Akita
 * 🇯🇵 Aoi Ito
 * 🇺🇸 Rinko Matsuda
 * 🇯🇵 Mao Mushika
 * 🇯🇵 Junri Namigata
 * 🇯🇵 Lisa-Marie Rioux
 * 🇯🇵 Ramu Ueda
 * 🇯🇵 Mei Yamaguchi