Most Titles
Open Era singles titles.
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Samantha Stosur 3 titles
WTA Japan Women's Open 1999 Draw & Results
CompletedAmy Frazier won the 1999 Japan Women's Open, defeating Ai Sugiyama 6-2 6-2 in the final. The WTA 250 event was played April 12–18 on hard courts in Tokyo, Japan.
The Japan Women's Open is a hard-court WTA tournament in Osaka.
Full tournament history →Dates
Apr 12 — Apr 18
Location
Tokyo, Japan
Category
Tier III
→
modern equivalent
WTA 250
Surface
Hard
Prize money
—
Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.
Results
Round of 32
Amy Frazier
CH
6-0 6-3
Kerry-Anne Guse
6-4 6-3
Meilen Tu
6-3 7-5
Shinobu Asagoe
6-3 6-1
Corina Morariu
6-3 6-2
Mashona Washington
6-3 6-4
Shi-Ting Wang
6-4 6-2
Yuka Yoshida
6-4 7-6
Ai Sugiyama
DEF · 2×
6-1 6-3
Lenka Nemeckova
7-5 6-4
Janet Lee
6-2 6-2
Jolene Watanabe
6-4 6-2
Jane Chi
6-4 6-1
Surina De Beer
4-6 6-3 6-4
Sandra Kleinova
6-4 6-2
Kimberly Po Messerli
7-5 6-2
Round of 16
Amy Frazier
CH
7-6 6-0
Meilen Tu
2-6 6-3 6-3
Corina Morariu
6-2 6-0
Shi-Ting Wang
6-1 6-4
Ai Sugiyama
DEF · 2×
6-4 6-1
Janet Lee
7-6 6-3
Jane Chi
6-4 6-3
Sandra Kleinova
7-5 4-6 6-3
Quarterfinals
Amy Frazier
CH
5-7 6-4 6-4
Corina Morariu
6-7 6-3 6-4
Ai Sugiyama
DEF · 2×
6-4 6-0
Jane Chi
6-2 3-0 (ret.)
Semifinals
Amy Frazier
CH
6-4 5-7 6-3
Ai Sugiyama
DEF · 2×
7-6 6-3
Final
Amy Frazier
CH
6-2 6-2
Ai Sugiyama
DEF · 2×
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 Tokyo, Japan.
- Who is the latest recorded Japan Women's Open winner?
- 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.
- What is the earliest recorded Japan Women's Open edition?
- The earliest recorded edition of Japan Women's Open in TennisDB is 1970.
- What surface is Japan Women's Open played on?
- Japan Women's Open is played on hard courts.