2025 Japan Women's Open

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]

• 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

• 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