Japan Women's Open tournament history

Current official name Kinoshita Group Japan Open Tennis Championships

Explore Japan Women's Open champions and finals from 1970 to 2025. Compare title leaders, winners, runners-up, scores, surfaces, categories, and available match records.

Recorded finals
16
First recorded
1970
Latest recorded
2025
Latest champion
Leylah Fernandez

Most Titles

PlayerTitlesSeasons
Samantha Stosur 3 2014, 2013, 2009

Tournament Finals by Season

SeasonWinnerScoreRunner-upH2HMatch DataCategorySurface
2026 — — — — — WTA 250 Hard
2025 Leylah Fernandez #25 6-0 5-7 6-3 Tereza Valentova #75 H2H Match data WTA 250 Hard
2024 Suzan Lamens #125 6-0 6-4 Kimberly Birrell #150 H2H Match data WTA 250 Hard
2023 Ashlyn Krueger #123 6-3 7-6(6) Lin Zhu #35 H2H Match data WTA 250 Hard
2019 Naomi Osaka #4 6-2 6-3 Anastasia Pavlyuchenkova #41 H2H Match data WTA 250 Hard
2017 Zarina Diyas #100 6-2 7-5 Miyu Kato #171 H2H Match data WTA 250 Hard
2016 Christina Mchale #53 3-6 6-4 6-4 Katerina Siniakova #65 H2H Match data WTA 250 Hard
2014 Samantha Stosur #18 7-6(7) 6-3 Zarina Diyas #37 H2H Match data WTA 250 Hard
2013 Samantha Stosur #20 3-6 7-5 6-2 Eugenie Bouchard #35 H2H Match data WTA 250 Hard
2012 Heather Watson #71 7-5 5-7 7-6(4) Kai-Chen Chang #134 H2H Match data WTA 250 Hard
2011 Marion Bartoli #11 6-3 6-1 Samantha Stosur #6 H2H Match data WTA 250 Hard
2010 Tamarine Tanasugarn #94 7-5 6-7(4) 6-1 Kimiko Date #56 H2H Match data WTA 250 Hard
2009 Samantha Stosur #15 7-5 6-1 Francesca Schiavone #26 H2H Match data WTA 250 Hard
1994 Manuela Maleeva Fragniere #9 6-1 4-6 7-5 Iva Majoli #47 H2H Match data WTA 250 Carpet
1993 Jana Novotna #9 6-3 6-2 Kimiko Date #24 H2H Match data WTA 250 Carpet
1992 Helena Sukova #17 6-2 4-6 6-1 Laura Arraya #23 H2H Match data WTA 250 Carpet
1970 Kazuko Sawamatsu 6-3 7-5 Kathleen Harter H2H Match data WTA 250 —

Frequently Asked Questions

Where is Japan Women's Open held?
Japan Women's Open is held in Osaka, Japan.
Who won the most recent Japan Women's Open?
The 2025 Japan Women's Open was won by Leylah Fernandez 6-0 5-7 6-3.
Who has won the most Japan Women's Open titles?
Samantha Stosur has won 3 Japan Women's Open titles, the most by any player.
When was the first Japan Women's Open played?
The first edition of Japan Women's Open was held in 1970.
What surface is Japan Women's Open played on?
Japan Women's Open is played on hard courts.