2019 Japan Women's Open
The 2019 Japan Women's Open was a women's tennis tournament played on outdoor hard courts. It was the eleventh edition of the Japan Women's Open, and part of the WTA International tournaments of the 2019 WTA Tour. It was held at the Regional Park Tennis Stadium in Hiroshima, Japan, from September 9 through September 15, 2019. Unseeded Nao Hibino won the singles title.
Finals
Singles
- Nao Hibino defeated Misaki Doi, 6–3, 6–2
Doubles
- Misaki Doi / Nao Hibino defeated Christina McHale / Valeria Savinykh, 3–6, 6–4,
Point distribution
Prize money
1 Qualifiers prize money is also the Round of 32 prize money2 Per team
Singles main-draw entrants
Seeds
- Rankings are as of August 26, 2019
Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
- Leylah Annie Fernandez
- Zoe Hives
- Junri Namigata
- Valeria Savinykh
- Patricia Maria Țig
- Viktoriya Tomova
Withdrawals
;Before the tournament- Daria Gavrilova → replaced by Priscilla Hon
- Barbora Krejčíková → replaced by Nao Hibino
- Anna Karolína Schmiedlová → replaced by Katarzyna Kawa
Retirements
;During the tournamentDoubles main-draw entrants
Seeds
- 1 Rankings are as of August 26, 2019