2026 Takasaki Open
Tennis tournament
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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.[1] This year's tournament was moved to May, after last year's tournament was held in November.
| 2026 Takasaki Open | |
|---|---|
| Date | 18–24 May 2026 |
| Edition | 5th |
| Category | ITF Women's World Tennis Tour |
| Prize money | $100,000 |
| Surface | Hard / Outdoor |
| Location | Takasaki, Japan |
| 2025 Champions | |
| Singles | |
 Himeno Sakatsume | |
| Doubles | |
| Momoko Kobori / Ayano Shimizu | |
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 | Seed |
|---|---|---|---|
 THA |
Mananchaya Sawangkaew | 175 | 1 |
| JPN |
Hayu Kinoshita | 233 | 2 |
 CHN |
Tian Fangran | 247 | 3 |
 USA |
Hina Inoue | 259 | 4 |
| Sofya Lansere | 268 | 5 | |
 CYP |
Raluca Șerban | 283 | 6 |
| JPN |
Kyōka Okamura | 285 | 7 |
 KOR |
Park So-hyun | 292 | 8 |
- 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:
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: