WTA Japan Women's Open 2012 Draw & Results

Completed

Heather Watson won the 2012 Japan Women's Open, defeating Kai-Chen Chang 7-5 5-7 7-6(4) in the final. The WTA 250 event was played October 8–14 on hard courts in Osaka, Japan.

The Japan Women's Open is a hard-court WTA tournament in Osaka.

Full tournament history →
Champion
Heather Watson
def. Kai-Chen Chang , 7-5 5-7 7-6(4)
Dates
Oct 8 — Oct 14
Location
Osaka, Japan
Category
International → 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

Match type

Round of 32

Heather Watson #71 6-4 6-4
Polona Hercog #81
Anabel Medina Garrigues #40 3-6 6-2 6-2
Camila Giorgi #79
Pauline Parmentier #73 6-2 6-2
Mathilde Johansson #89
Jie Zheng #24 4-6 7-5 6-4
Maria Jose Martinez Sanchez #154
Misaki Doi #123 7-5 3-6 6-0
Julia Cohen #106
Olga Puchkova #101 6-4 2-1 (ret.)
Francesca Schiavone #33
Chanelle Scheepers #58 6-4 6-1
Alexa Glatch #137
Mirjana Lucic-Baroni #110 4-6 6-3 6-4
Luksika Kumkhum #212
Kai-Chen Chang #134 6-3 7-6(5)
Christina Mchale #32
Casey Dellacqua #84 6-3 3-6 6-4
Kimiko Date #103 CH
Laura Robson #56 6-4 6-2
Eleni Daniilidou #108
Yi Miao Zhou #228 7-5 6-4
Kurumi Nara #155
Samantha Stosur #9 CH 6-4 6-2
Erika Sema #164
Virginie Razzano #170 6-3 6-3
Nudnida Luangnam
Jamie Hampton #80 6-3 6-2
Ayumi Morita #67
Tamarine Tanasugarn #133 CH 6-3 6-2
Yaroslava Shvedova #28

Round of 16

Heather Watson #71 6-7(4) 6-2 6-3
Anabel Medina Garrigues #40
Pauline Parmentier #73 6-3 6-4
Jie Zheng #24
Misaki Doi #123 6-3 6-2
Olga Puchkova #101
Chanelle Scheepers #58 6-2 6-2
Mirjana Lucic-Baroni #110
Kai-Chen Chang #134 7-6(4) 6-3
Casey Dellacqua #84
Laura Robson #56 6-4 6-4
Yi Miao Zhou #228
Samantha Stosur #9 CH 1-6 6-2 6-4
Virginie Razzano #170
Jamie Hampton #80 7-5 7-5
Tamarine Tanasugarn #133 CH

Quarterfinals

Heather Watson #71 7-5 6-3
Pauline Parmentier #73
Misaki Doi #123 2-6 6-1 6-3
Chanelle Scheepers #58
Kai-Chen Chang #134 6-4 3-6 7-6(4)
Laura Robson #56
Samantha Stosur #9 CH 6-2 6-4
Jamie Hampton #80

Semifinals

Heather Watson #71 7-6(2) 7-5
Misaki Doi #123
Kai-Chen Chang #134 6-4 4-6 7-6(3)
Samantha Stosur #9 CH

Final

Heather Watson #71 7-5 5-7 7-6(4)
Kai-Chen Chang #134

Tournament Records

The leading Open Era records for Japan Women's Open.

Most Finals

Champion or runner-up finishes. 3 players share this record.

  1. Amy Frazier 4 finals

Most Appearances

Editions with a recorded main-draw match.

  1. 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

Recent Japan Women's Open finals
WinnerScoreRunner-upH2HMatch DataSeasonSurface
Leylah Fernandez #27 6-0 5-7 6-3 Tereza Valentova #78 H2H Match data 2025 Hard
Suzan Lamens #125 6-0 6-4 Kimberly Birrell #150 H2H Match data 2024 Hard
Ashlyn Krueger #123 6-3 7-6(6) Lin Zhu #35 H2H Match data 2023 Hard
Su-Wei Hsieh #40 6-2 6-2 Amanda Anisimova #134 H2H Match data 2018 Hard
Zarina Diyas #100 6-2 7-5 Miyu Kato #171 H2H Match data 2017 Hard

View full tournament history →

Related Tournaments

Other WTA 250 tournaments in 2012

Previous editions of Japan Women's Open

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.