Japan Women's Open

The Japan Women's Open (), currently sponsored by the Kinoshita Group (formerly Japan Women's Open Tennis), is a professional women's tennis tournament played annually on outdoor hardcourts in Osaka, Japan. The event is affiliated with the Women's Tennis Association (WTA), and is an WTA 250 tournament on the WTA Tour. As successor to the Japan Open (where men and women played simultaneously, up to 2008) the event was held in women-only form for the first time in 2009, and was the second tournament of the season held in Japan: the Pan Pacific Open, a Premier 5 tournament, was held two weeks before. In 2015, the event was moved from Osaka to Tokyo and in 2018 to Hiroshima, before returning to Osaka in 2023 after a three-year hiatus.

Past finals

Singles LocationYearChampionRunner-upScoreOsaka2025 Leylah Fernandez Tereza Valentová 6–0, 5–7, 6–32024 Suzan Lamens Kimberly Birrell 6–3, 6–32023 Ashlyn Krueger Zhu Lin 6–3, 7–6(8–6) 2022no competition (due to financial crisis) 2021no competition (due to COVID-19 pandemic) 2020Hiroshima2019 Nao Hibino Misaki Doi 6–3, 6–22018 Hsieh Su-wei Amanda Anisimova 6–2, 6–2Tokyo2017 Zarina Diyas Miyu Kato 6–2, 7–52016 Christina McHale Kateřina Siniaková 3–6, 6–4, 6–42015 Yanina Wickmayer Magda Linette 4–6, 6–3, 6–3Osaka2014 Samantha Stosur (3) Zarina Diyas 7–6(9–7), 6–32013 Samantha Stosur (2) Eugenie Bouchard 3–6, 7–5, 6–22012 Heather Watson Chang Kai-chen 7–5, 5–7, 7–6(7–4)2011 Marion Bartoli Samantha Stosur 6–3, 6–12010 Tamarine Tanasugarn Kimiko Date-Krumm 7–5, 6–7(7–4), 6–12009 Samantha Stosur Francesca Schiavone 7–5, 6–1

Doubles LocationYearChampionsRunners-upScoreOsaka2025 Kristina Mladenovic (2) Taylor Townsend Storm Hunter Desirae Krawczyk 6–4, 2–6, [10–5]2024 Ena Shibahara Laura Siegemund Cristina Bucșa Monica Niculescu 3–6, 6–2, [10–2]2023 Anna-Lena Friedsam Nadiia Kichenok Anna Kalinskaya Yulia Putintseva 7–6(7–3), 6–3 2022no competition (due to financial crisis) 2021no competition (due to COVID-19 pandemic) 2020Hiroshima2019 Misaki Doi Nao Hibino Christina McHale Valeria Savinykh 3–6, 6–4, [10–4]2018 Eri Hozumi Zhang Shuai (2) Miyu Kato Makoto Ninomiya 6–2, 6–4Tokyo2017 Shuko Aoyama (3) Yang Zhaoxuan Monique Adamczak Storm Sanders 6–0, 2–6, [10–5]2016 Shuko Aoyama (2) Makoto Ninomiya Jocelyn Rae Anna Smith 6–3, 6–32015 Chan Hao-ching Chan Yung-jan Misaki Doi Kurumi Nara 6–1, 6–2Osaka 2014 Shuko Aoyama Renata Voráčová Lara Arruabarrena Tatjana Maria 6–1, 6–2 2013 Kristina Mladenovic Flavia Pennetta Samantha Stosur Zhang Shuai 6–4, 6–3 2012 Raquel Kops-Jones Abigail Spears Kimiko Date-Krumm Heather Watson 6–1, 6–4 2011 Kimiko Date-Krumm Zhang Shuai Vania King Yaroslava Shvedova 7–5, 3–6, [11–9] 2010 Chang Kai-chen Lilia Osterloh Shuko Aoyama Rika Fujiwara 6–0, 6–3 2009 Chuang Chia-jung Lisa Raymond Chanelle Scheepers Abigail Spears 6–2, 6–4

Japan Women's Open

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