Tournament
Completed🇯🇵Japan Open 2026
- Level
- WTA 250
- Draw
- Women's Singles
- Where
- Osaka, Japan
- Surface
- Hard
- Dates
- 19 – 25 Oct 2026
Champion
🇨🇿Katerina Siniakova
- R32Stearns6-4 0-6 4-0 RET
- R16Linette6-4 6-1
- QFStoiana6-1 6-2
- SFBoulter6-1 6-4
- FinalKrueger6-1 6-0
5 wins, 1 set dropped. Siniakova’s run, match by match
The title paid
250ranking points
$37,390 prize money
Runner-up
🇺🇸Ashlyn Krueger
163 pts
2025 champion
The week in numbers
32-player draw · 31 matches played3/7
top seeds reached the quarter-finals
10
matches went to a deciding set
of 31 played
32
games in the longest match
Uchijima d. Shibahara, R32
4
sets decided by a tiebreak
3
home players in the draw
of 32
Final four
What each round was worth
and who took itResultPointsReached byPrize
- Champion250pts$37.4K
Katerina Siniakova
- Runner-up163pts$22.1K
Ashlyn Krueger
- Semifinal98pts$12.3K
A. Li(1), K. Boulter(8)
- Quarterfinal54pts$7K
T. Gibson(4), A. Ruzic, M. Stoiana, L. Tagger
- Round of 1630pts$4.3K
8 players
- Round of 3214pts$3.1K
16 players — incl. seeds 2, 5, 6, 7
Past champions
- 2025
Leylah Fernandez · d. Tereza Valentova
- 2024
Suzan Lamens · d. Kimberly Birrell
All 31 matches, round by round
Final
Semifinals
- Ashlyn Krueger def. Ann Li6-4 6-7(4) 6-3
- Katerina Siniakova def. Katie Boulter6-1 6-4
Quarterfinals
- Ann Li def. Lilli Tagger6-4 3-6 7-6(0)
- Ashlyn Krueger def. Talia Gibson6-1 6-3
- Katerina Siniakova def. Mary Stoiana6-1 6-2
- Katie Boulter def. Antonia Ruzic3-6 6-3 6-3
Round of 16
- Ashlyn Krueger def. Lanlana Tararudee6-3 6-1
- Katie Boulter def. Viktorija Golubic6-2 6-1
- Lilli Tagger def. Tereza Valentova7-5 6-3
- Talia Gibson def. Sinja Kraus6-2 6-1
- Ann Li def. Zeynep Sonmez6-3 6-1
- Antonia Ruzic def. Kayla Day6-4 RET
- Katerina Siniakova def. Magda Linette6-4 6-1
- Mary Stoiana def. Moyuka Uchijima6-2 2-6 6-3
Round of 32
- Ashlyn Krueger def. Janice Tjen6-4 6-4
- Lanlana Tararudee def. Kaitlin Quevedo7-5 6-3
- Lilli Tagger def. Liudmila Samsonova6-3 6-3
- Sinja Kraus def. Caty McNally6-4 3-1 RET
- Talia Gibson def. Harriet Dart7-5 7-6(6)
- Viktorija Golubic def. Mai Hontama6-3 6-1
- Ann Li def. Emerson Jones5-7 6-0 6-3
- Antonia Ruzic def. Paula Badosa Gibert3-6 6-4 6-3
- Katerina Siniakova def. Peyton Stearns6-4 0-6 4-0 RET
- Katie Boulter def. Himeno Sakatsume6-3 6-1
- Kayla Day def. Sofia Kenin6-3 6-2
- Magda Linette def. Claire Liu6-4 6-3
- Mary Stoiana def. Oleksandra Oliynykova6-2 6-3
- Moyuka Uchijima def. Ena Shibahara6-4 6-7(7) 6-3
- Tereza Valentova def. Shuai Zhang6-2 1-6 6-4
- Zeynep Sonmez def. Maya Joint3-6 6-4 6-3