Back Hana-cupid Japan Women's Open 2018 Catalan Japan Women's Open 2018 Czech Hana-cupid Japan Women’s Open 2018 German Torneo WTA de Japón 2018 Spanish Tournoi de tennis du Japon (WTA 2018) French Japan Women's Open Tennis 2018 Italian WTA-toernooi van Japan 2018 Dutch Japan Women’s Open 2018 NB Japan Women’s Open Tennis 2018 Polish Открытый чемпионат Японии по теннису среди женщин 2018 Russian
| 2018 Japan Women's Open | |
|---|---|
| Date | September 10–16 |
| Edition | 10th |
| Category | WTA International |
| Draw | 32S / 16D |
| Prize money | $250,000 |
| Surface | Hard |
| Location | Hiroshima, Japan |
| Venue | Regional Park Tennis Stadium |
| Champions | |
| Singles | |
 Hsieh Su-wei | |
| Doubles | |
 Eri Hozumi /  Zhang Shuai | |
The 2018 Japan Women's Open was a women's tennis tournament played on outdoor hard courts. It was the tenth edition of the Japan Women's Open, and part of the WTA International tournaments of the 2018 WTA Tour. It was held at the Regional Park Tennis Stadium in Hiroshima, Japan, from September 10 through September 16, 2018. This is the first year that the tournament was held in Hiroshima.[1]