The 2026 Takasaki Open is a professional tennis tournament played on outdoor hard courts. It is the fifth edition of the tournament which was part of the 2026 ITF Women's World Tennis Tour. It took place in Takasaki, Japan between 18 and 24 May 2026. This year's tournament was moved to May, after last year's tournament was held in November.
Champions
Singles
Yuki Naito vs. Valentina Ryser 6–4, 6–3
Doubles
Ayano Shimizu / Eri Shimizu vs. Lee Ya-hsin / Cody Wong 6–1, 6–4
Singles main draw entrants
Seeds Country Player Rank1 SeedMananchaya Sawangkaew1751Hayu Kinoshita2332Tian Fangran2473Hina Inoue2594Sofya Lansere2685Raluca Șerban2836Kyōka Okamura2857Park So-hyun2928 1 Rankings are as of 4 May 2026.
Other entrants The following players received wildcards into the singles main draw: Sayaka Ishii Ena Koike Kanon Sawashiro Ayano Shimizu
The following player received entry into the singles main draw using a special ranking: Katy Dunne
The following players received entry from the qualifying draw: Natsumi Kawaguchi Momoko Kobori Misaki Matsuda Mio Mushika Yuki Naito Valentina Ryser Hikaru Sato Eri Shimizu
The following players received entry as lucky losers: Erika Sema Ikumi Yamazaki
References