wta 250
Kinoshita Group Japan Open
18 Oct To  25 Oct
Location Osaka Japan
Surface Hardcourt outdoor

Past WTA Champions

Leylah Annie Fernandez
Leylah Annie Fernandez
CAN
Year
2025
Runner-up
Valentova, Tereza
Scores in final
0 • 6
7 • 5
3 • 6
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Suzan Lamens
NED
Year
2024
Runner-up
Birrell, Kimberly
Scores in final
0 • 6
4 • 6
Ashlyn Krueger
Ashlyn Krueger
USA
Year
2023
Runner-up
Zhu, Lin
Scores in final
3 • 6
6 • 7
Naomi Osaka
Naomi Osaka
JPN
Year
2019
Runner-up
Pavlyuchenkova, Anastasia
Scores in final
6 • 2
6 • 3
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Yanina Wickmayer
BEL
Year
2015
Runner-up
Linette, Magda
Scores in final
4 • 6
6 • 3
6 • 3
Samantha Stosur
Samantha Stosur
AUS
Year
2014
Runner-up
Diyas, Zarina
Scores in final
7 • 6
6 • 3
Samantha Stosur
Samantha Stosur
AUS
Year
2013
Runner-up
Bouchard, Eugenie
Scores in final
3 • 6
7 • 5
6 • 2
Heather Watson
Heather Watson
GBR
Year
2012
Runner-up
Chang, Kai-Chen
Scores in final
5 • 7
7 • 5
6 • 7
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Marion Bartoli
FRA
Year
2011
Runner-up
Stosur, Samantha
Scores in final
3 • 6
1 • 6
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Tamarine Tanasugarn
THA
Year
2010
Runner-up
Date, Kimiko
Scores in final
5 • 7
7 • 6
1 • 6
Samantha Stosur
Samantha Stosur
AUS
Year
2009
Runner-up
Schiavone, Francesca
Scores in final
7 • 5
6 • 1