2015 Japan Women's Open

The 2015 Japan Women's Open was a women's tennis tournament played on outdoor hard courts. It was the seventh edition of the Japan Women's Open, and part of the WTA International tournaments of the 2015 WTA Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from September 14 through September 20, 2015. The tournament was moved from Osaka to Tokyo starting this year.

2015 Japan Women's Open
Date	September 14–20
Edition	7th
Category	WTA International
Draw	32S / 16D
Prize money	US$250,000
Surface	Hard
Location	Tokyo, Japan
Venue	Ariake Coliseum
Champions
Singles
Yanina Wickmayer
Doubles
Chan Hao-ching / Chan Yung-jan

Point distribution

Event	W	F	SF	QF	Round of 16	Round of 32	Q	Q3	Q2	Q1
Singles	280	180	110	60	30	1	18	14	10	1
Doubles					1	—	—	—	—	—

Prize money

Event	W	F	SF	QF	Round of 16	Round of 321	Q2	Q1
Singles	$43,000	$21,400	$11,500	$6,175	$3,400	$2,100	$1,020	$600
Doubles2	$12,300	$6,400	$3,435	$1,820	$960	—	—	—

_{¹ Qualifiers prize money is also the Round of 32 prize money
² Per team}

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
ESP	Carla Suárez Navarro	10	1
KAZ	Zarina Diyas	35	2
USA	Madison Brengle	47	3
USA	Alison Riske	57	4
SWE	Johanna Larsson	58	5
USA	Christina McHale	59	6
CRO	Ajla Tomljanović	63	7
SLO	Polona Hercog	64	8

• Rankings are as of August 31, 2015.

Other entrants

The following players received wildcards into the singles main draw:

• Kimiko Date-Krumm
• Nao Hibino
• Carla Suárez Navarro

The following players received entry from the qualifying draw:

• Hiroko Kuwata
• Naomi Osaka
• Risa Ozaki
• Alexandra Panova

Withdrawals

Before the tournament

• Jana Čepelová → replaced by Kiki Bertens
• Margarita Gasparyan → replaced by Bojana Jovanovski
• Karin Knapp → replaced by Misaki Doi
• Anna Karolína Schmiedlová → replaced by Hsieh Su-wei
• Barbora Strýcová → replaced by Kateryna Bondarenko

Doubles main-draw entrants

Seeds

Country	Player	Country	Player	Rank1	Seed
TPE	Chan Hao-ching	TPE	Chan Yung-jan	42	1
TPE	Chuang Chia-jung	CHN	Liang Chen	78	2
CAN	Gabriela Dabrowski	POL	Alicja Rosolska	90	3
CHN	Xu Yifan	CHN	Zheng Saisai	99	4

• ¹ Rankings are as of August 31, 2015.

Other entrants

The following pairs received wildcards into the doubles main draw:

• Misaki Doi / Kurumi Nara
• Eri Hozumi / Miyu Kato

Champions

Singles

Main article: 2015 Japan Women's Open – Singles

• Yanina Wickmayer def. Magda Linette, 4–6, 6–3, 6–3^[1]

Doubles

Main article: 2015 Japan Women's Open – Doubles

• Chan Hao-ching / Chan Yung-jan def. Misaki Doi / Kurumi Nara, 6–1, 6–2