2025 Japan Women's Open

2025 Japan Women's Open
Date	13–19 October
Edition	14th
Category	WTA 250
Draw	32S / 16D
Surface	Hard
Location	Osaka, Japan
Venue	Utsubo Tennis Center
Champions
Singles
Leylah Fernandez
Doubles
Kristina Mladenovic / Taylor Townsend

The 2025 Kinoshita Group Japan Open was a women's tennis tournament played on outdoor hard courts. It was the 14th edition of the Japan Women's Open, and part of the WTA 250 tournaments of the 2025 WTA Tour. It was held at the Utsubo Tennis Center in Osaka, Japan, from 13 to 19 October 2025.^[1]

• Leylah Fernandez def. Tereza Valentová, 6–0, 5–7, 6–3

• Kristina Mladenovic / Taylor Townsend def. Storm Hunter / Desirae Krawczyk, 6–4, 2–6, [10–5]

Country	Player	Rank1	Seed
JPN	Naomi Osaka	16	1
CZE	Linda Nosková	17	2
BEL	Elise Mertens	21	3
CAN	Leylah Fernandez	27	4
CZE	Marie Bouzková	41	5
SRB	Olga Danilović	42	6
USA	Ann Li	46	7
ESP	Jéssica Bouzas Maneiro	47	8

• Rankings are as of 6 October 2025

The following players received wildcards into the singles main draw:

• Nao Hibino
• Ena Shibahara
• Wakana Sonobe
• Moyuka Uchijima

The following player received entry using a protected ranking:

• Bianca Andreescu

The following players received entry from the qualifying draw:

• Elisabetta Cocciaretto
• Dalma Gálfi
• Joanna Garland
• Varvara Gracheva
• Tereza Valentová
• Katie Volynets

• Loïs Boisson → replaced by Sorana Cîrstea
• Iva Jovic → replaced by Bianca Andreescu
• Peyton Stearns → replaced by Suzan Lamens

Country	Player	Country	Player	Rank1	Seed
JPN	Shuko Aoyama	ESP	Cristina Bucșa	64	1
FRA	Kristina Mladenovic	USA	Taylor Townsend	65	2
JPN	Miyu Kato	HUN	Fanny Stollár	74	3
MEX	Giuliana Olmos	INA	Aldila Sutjiadi	93	4

• ¹ Rankings are as of 6 October 2025

The following teams received wildcards into the doubles main draw:

• Natsumi Kawaguchi / Sara Saito
• Hayu Kinoshita / Wakana Sonobe

• Official website