Japan Open - Osaka
13-Oct
2025
Hard
Past Champions
Past Champions
2024
Suzan Lamens
2023
Ashlyn Krueger
2019
Naomi Osaka
2018
Karolina Pliskova
2017
Caroline Wozniacki
2016
Caroline Wozniacki
2015
Agnieszka Radwanska
2014
Ana Ivanovic
2013
Petra Kvitova
2012
Nadezda Petrova
2011
Agnieszka Radwanska
2010
Caroline Wozniacki
2009
Maria Sharapova
2008
Dinara Safina
2007
Martina Hingis
2006
Elena Dementieva
2005
Maria Sharapova
2004
Lindsay Davenport
2003
Lindsay Davenport
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