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Japan Women’s Open

Singles

LocationYearChampionsRunners-upScore
Hiroshima2019Nao HibinoMisaki Doi6–3, 6–2
Hiroshima2018Hsieh Su-weiAmanda Anisimova6–2, 6–2
Tokyo2017Zarina DiyasMiyu Kato6–2, 7–5
Tokyo2016Christina McHaleKateřina Siniaková3–6, 6–4, 6–4
Tokyo2015Yanina WickmayerMagda Linette4–6, 6–3, 6–3
Osaka2014Samantha Stosur Zarina Diyas7–6 (9–7) , 6–3
Osaka2013Samantha Stosur   Eugenie Bouchard3–6, 7–5, 6–2
Osaka2012Heather WatsonChang Kai-chen7–5, 5–7, 7–6 (7–4)
Osaka2011Marion BartoliSamantha Stosur6–3, 6–1
Osaka2010Tamarine TanasugarnKimiko Date-Krumm7–5, 6–7 (7–4) , 6–1
Osaka2009Samantha StosurFrancesca Schiavone7–5, 6–1

Doubles

LocationYearChampionsRunners-upScore
Hiroshima2019Misaki Doi
Nao Hibino		Christina McHale
Valeria Savinykh		3–6, 6–4, [10–4]
Hiroshima2018  Eri Hozumi  Miyu Kato6–2, 6–4
  Zhang Shuai   Makoto Ninomiya
Tokyo2017  Shuko Aoyama     Monique Adamczak6–0, 2–6, [10–5]
  Yang Zhaoxuan  Storm Sanders
Tokyo2016  Shuko Aoyama     Jocelyn Rae6–3, 6–3
  Makoto Ninomiya  Anna Smith
Tokyo2015  Chan Hao-ching  Misaki Doi6–1, 6–2
  Chan Yung-jan  Kurumi Nara
Osaka2014  Shuko Aoyama  Lara Arruabarrena6–1, 6–2
  Renata Voráčová  Tatjana Maria
Osaka2013  Kristina Mladenovic  Samantha Stosur6–4, 6–3
  Flavia Pennetta  Zhang Shuai
Osaka2012  Raquel Kops-Jones  Kimiko Date-Krumm6–1, 6–4
  Abigail Spears  Heather Watson
Osaka2011  Kimiko Date-Krumm  Vania King7–5, 3–6, [11–9]
  Zhang Shuai  Yaroslava Shvedova
Osaka2010  Chang Kai-chen  Shuko Aoyama6–0, 6–3
  Lilia Osterloh  Rika Fujiwara
Osaka2009  Chuang Chia-jung  Chanelle Scheepers6–2, 6–4
  Lisa Raymond  Abigail Spears