Most Titles
Open Era singles titles.
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Samantha Stosur 3 titles
WTA Japan Women's Open 2009 Draw & Results
CompletedSamantha Stosur won the 2009 Japan Women's Open, defeating Francesca Schiavone 7-5 6-1 in the final. The WTA 250 event was played October 12–18 on hard courts in Osaka, Japan.
The Japan Women's Open is a hard-court WTA tournament in Osaka.
Full tournament history →Dates
Oct 12 — Oct 18
Location
Osaka, Japan
Category
International
→
modern equivalent
WTA 250
Surface
Hard
Prize money
$220,000
Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.
Results
Round of 32
Samantha Stosur
6-2 6-4
Akiko Morigami
6-4 4-6 6-2
Jill Craybas
6-2 2-6 6-4
Kimiko Date
CH
Mathilde Johansson
7-5 2-6 7-5
Caroline Wozniacki
6-4 6-1
Katie Obrien
6-3 6-4
Aleksandra Wozniak
6-1 7-5
Kai-Chen Chang
7-5 6-1
Francesca Schiavone
7-5 6-2
Yung Jan Chan
6-1 6-1
Melinda Czink
6-4 6-4
Vania King
2-6 6-3 6-4
Sania Mirza
3-6 6-3 6-4
Viktoriya Kutuzova
6-2 0-0 (ret.)
Marion Bartoli
6-3 7-5
Kurumi Nara
7-6(5) 4-6 6-2
Round of 16
Samantha Stosur
6-1 6-2
Jill Craybas
2-6 6-2 6-0
Caroline Wozniacki
6-0 6-1
Aleksandra Wozniak
7-5 7-6(2)
Francesca Schiavone
6-3 0-6 6-3
Melinda Czink
6-4 6-2
Sania Mirza
6-4 6-3
Marion Bartoli
6-1 6-1
Quarterfinals
Semifinals
Samantha Stosur
6-0 4-6 6-4
Francesca Schiavone
6-2 6-1
Final
Samantha Stosur
7-5 6-1
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
- 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, who defeated Tereza Valentova 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.