Most Titles
Open Era singles titles.
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Samantha Stosur 3 titles
WTA Japan Women's Open 2020
CanceledThe scheduled 2020 Osaka tournament was cancelled; no WTA singles matches were played. The event had been scheduled for September 14–20 on hard courts in Osaka, Japan.
The Japan Women's Open is a hard-court WTA tournament in Osaka.
Full tournament history →Scheduled dates
Sep 14 — Sep 20
Location
Osaka, Japan
Category
WTA 250
Surface
Hard
Planned prize money
$251,750
Historical categories use documented modern equivalents where available; unresolved editions keep their recorded category. Mapping details.
Results
No matches were played because this tournament edition was canceled.
Tournament Records
The leading Open Era records for Japan Women's Open.
Most Finals
Champion or runner-up finishes. 3 players share this record.
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Amy Frazier 4 finals
Most Match Wins
Recorded main-draw match wins.
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Samantha Stosur 24 wins
Most Appearances
Editions with a recorded main-draw match.
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Kimiko Date 11 appearances
View the full Japan Women's Open record book →
Open Era main-draw singles records from 1968 onward. Ranking records begin where reliable entering rankings are available.
Recent Finals
| Winner | Score | Runner-up | H2H | Match Data | Season | Surface |
|---|---|---|---|---|---|---|
| Leylah Fernandez | 6-0 5-7 6-3 | Tereza Valentova | H2H | Match data | 2025 | Hard |
| Suzan Lamens | 6-0 6-4 | Kimberly Birrell | H2H | Match data | 2024 | Hard |
| Ashlyn Krueger | 6-3 7-6(6) | Lin Zhu | H2H | Match data | 2023 | Hard |
| Su-Wei Hsieh | 6-2 6-2 | Amanda Anisimova | H2H | Match data | 2018 | Hard |
| Zarina Diyas | 6-2 7-5 | Miyu Kato | H2H | Match data | 2017 | Hard |
View full tournament history →
Frequently Asked Questions
- Was Japan Women's Open held in 2020?
- The scheduled 2020 Osaka tournament was cancelled; no WTA singles matches were played.
- Were any 2020 Japan Women's Open singles matches played?
- No. The tournament was canceled before play, so there are no singles results or draw to report.