2014 Japan Women's Open

The 2014 Japan Women's Open was a women's tennis tournament played on outdoor hard courts. It was the sixth edition of the Japan Women's Open, and part of the WTA International tournaments of the 2014 WTA Tour. It was held at the Utsubo Tennis Center in Osaka, Japan, from October 6 through October 12, 2014.

Prize money
1 Qualifiers prize money is also the Round of 32 prize money
 * per team

Seeds

 * Rankings are as of September 29, 2014

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Kristina Mladenovic
 * 🇯🇵 Naomi Osaka
 * 🇯🇵 Risa Ozaki

The following player received entry using a protected ranking into the singles main draw:
 * 🇩🇪 Tatjana Maria

The following players received entry from the qualifying draw:
 * 🇯🇵 Shuko Aoyama
 * 🇷🇴 Ana Bogdan
 * Chan Yung-jan
 * 🇯🇵 Hiroko Kuwata

The following player received entry as a lucky loser:
 * 🇯🇵 Miharu Imanishi

Withdrawals

 * Before the tournament
 * 🇯🇵 Kimiko Date-Krumm → replaced by 🇯🇵 Erika Sema
 * 🇦🇺 Casey Dellacqua (lower leg injury) → replaced by 🇩🇪 Tatjana Maria
 * 🇩🇪 Julia Görges → replaced by 🇯🇵 Misa Eguchi
 * 🇯🇵 Kurumi Nara (respiratory illness) → replaced by 🇯🇵 Miharu Imanishi
 * 🇦🇷 Paula Ormaechea → replaced by 🇺🇸 Bethanie Mattek-Sands
 * 🇧🇪 Alison Van Uytvanck → replaced by 🇺🇸 Sachia Vickery

Retirements

 * 🇦🇺 Jarmila Gajdošová (left ankle sprain)
 * 🇺🇸 Madison Keys (right rib injury)

Seeds

 * 1 Rankings are as of September 29, 2014

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇯🇵 Kyōka Okamura / 🇯🇵 Kotomi Takahata
 * 🇯🇵 Naomi Osaka / 🇯🇵 Risa Ozaki

Singles
🇦🇺 Samantha Stosur def. 🇰🇿 Zarina Diyas, 7–6(9–7), 6–3
 * It was Stosur's 1st title of the year, her 3rd title at the HP Open, and the 6th title of her career.

Doubles
🇯🇵 Shuko Aoyama / 🇨🇿 Renata Voráčová def. 🇪🇸 Lara Arruabarrena / 🇩🇪 Tatjana Maria, 6–1, 6–2