2018 Japan Women's Open
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.Point distribution
Prize money
1 Qualifiers prize money is also the Round of 32 prize money
2 Per teamSeeds
- Rankings are as of August 27, 2018
Other Entrants
The following players received wildcards into the singles main draw:
The following player entered the singles main draw with a protected ranking:
The following players received entry from the qualifying draw:
;Before the tournament
Seeds
- 1 Rankings are as of August 27, 2018
Other entrants
The following pairs received wildcards into the doubles main draw:
;During the tournament
Singles
- Hsieh Su-wei def. Amanda Anisimova 6–2, 6–2
Doubles
- Eri Hozumi / Zhang Shuai def. Miyu Kato / Makoto Ninomiya 6–2, 6–4
