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2025 Japan Women's Open – Singles

Further information: 2025 Japan Women's Open
Singles
2025 Japan Women's Open
ChampionCanada Leylah Fernandez
Runner-upCzech Republic Tereza Valentová
Score6–0, 5–7, 6–3
Draw32 (6 Q / 4 WC)
Seeds8

Leylah Fernandez defeated Tereza Valentová in the final, 6–0, 5–7, 6–3 to win the singles title at the 2025 Japan Women's Open. It was her fifth WTA Tour singles title.[1]

Suzan Lamens was the defending champion,[2][3] but lost in the second round to Naomi Osaka.[4]

Seeds

  1. Japan Naomi Osaka (quarterfinals, withdrew)
  2. Czech Republic Linda Nosková (first round)
  3. Belgium Elise Mertens (second round)
  4. Canada Leylah Fernandez (champion)
  5. Czech Republic Marie Bouzková (second round)
  6. Serbia Olga Danilović (quarterfinals)
  7. United States Ann Li (second round)
  8. Spain Jéssica Bouzas Maneiro (second round)

Draw

Key

Finals

Semifinals Final
          
  Romania Jaqueline Cristian 77 4 3
Q Czech Republic Tereza Valentová 63 6 6
Q Czech Republic Tereza Valentová 0 7 3
4 Canada Leylah Fernandez 6 5 6
4 Canada Leylah Fernandez 6 2 6
  Romania Sorana Cîrstea 1 6 4

Top half

First round Second round Quarterfinals Semifinals
1 Japan N Osaka 6 6
WC Japan W Sonobe 0 4 1 Japan N Osaka 78 3 6
Netherlands S Lamens 6 6 Netherlands S Lamens 66 6 2
Colombia E Arango 1 2 1 Japan N Osaka
Romania J Cristian 6 77 Romania J Cristian w/o
Q Italy E Cocciaretto 2 64 Romania J Cristian 0 6 6
Q United States K Volynets 2 4 8 Spain J Bouzas Maneiro 6 4 2
8 Spain J Bouzas Maneiro 6 6   Romania J Cristian 77 4 3
3 Belgium E Mertens 77 6 Q Czech Republic T Valentová 63 6 6
Spain C Bucșa 65 3 3 Belgium E Mertens 4 1
Q Czech Republic T Valentová 6 6 Q Czech Republic T Valentová 6 6
Philippines A Eala 1 2 Q Czech Republic T Valentová 4 6 6
Greece M Sakkari 6 3 4 6 Serbia O Danilović 6 2 3
United States A Krueger 2 6 6 United States A Krueger 4 4
WC Japan N Hibino 4 6 2 6 Serbia O Danilović 6 6
6 Serbia O Danilović 6 1 6

Bottom half

First round Second round Quarterfinals Semifinals
7 United States A Li 6 6
Q France V Gracheva 4 0 7 United States A Li 2 6 3
Q Chinese Taipei J Garland 3 1 Slovakia R Šramková 6 3 6
Slovakia R Šramková 6 6 Slovakia R Šramková 62 3
Q Hungary D Gálfi 6 6 4 Canada L Fernandez 77 6
United States A Parks 4 4 Q Hungary D Gálfi 1 4
United States H Baptiste 2 5 4 Canada L Fernandez 6 6
4 Canada L Fernandez 6 7 4 Canada L Fernandez 6 2 6
5 Czech Republic M Bouzková 6 6 Romania S Cîrstea 1 6 4
WC Japan E Shibahara 1 1 5 Czech Republic M Bouzková 6 2 63
Switzerland V Golubic 6 4 6 Switzerland V Golubic 1 6 77
PR Canada B Andreescu 3 6 4 Switzerland V Golubic 2 6 2
Romania S Cîrstea 2 6 6 Romania S Cîrstea 6 2 6
WC Japan M Uchijima 6 4 2 Romania S Cîrstea 6 6
United Kingdom K Boulter 77 6 United Kingdom K Boulter 3 1
2 Czech Republic L Nosková 63 3

Qualifying

Seeds

  1. Czech Republic Tereza Valentová (qualified)
  2. France Varvara Gracheva (qualified)
  3. United States Caty McNally (qualifying competition)
  4. Australia Kimberly Birrell (qualifying competition)
  5. Italy Elisabetta Cocciaretto (qualified)
  6. Hungary Dalma Gálfi (qualified)
  7. United States Katie Volynets (qualified)
  8. Romania Elena-Gabriela Ruse (qualifying competition)
  9. Slovenia Kaja Juvan (qualifying competition)
  10. Belgium Greet Minnen (qualifying competition)
  11. United States Taylor Townsend (qualifying competition)
  12. Chinese Taipei Joanna Garland (qualified)

Qualifiers

  1. Czech Republic Tereza Valentová
  2. France Varvara Gracheva
  3. Chinese Taipei Joanna Garland
  4. United States Katie Volynets
  5. Italy Elisabetta Cocciaretto
  6. Hungary Dalma Gálfi

Qualifying draw

First qualifier

First round Qualifying competition
          
1 Czech Republic Tereza Valentová 6 6
  Alina Charaeva 1 2
1 Czech Republic Tereza Valentová 4 6 6
10 Belgium Greet Minnen 6 4 2
WC Japan Sara Saito 5 1
10 Belgium Greet Minnen 7 6

Second qualifier

First round Qualifying competition
          
2 France Varvara Gracheva 6 7
  Japan Himeno Sakatsume 3 5
2 France Varvara Gracheva 77 6
8 Romania Elena-Gabriela Ruse 62 2
  Czech Republic Dominika Šalková 77 0 1
8 Romania Elena-Gabriela Ruse 63 6 6

Third qualifier

First round Qualifying competition
          
3 United States Caty McNally 6 6
  United States Claire Liu 2 2
3 United States Caty McNally 1 3
12 Chinese Taipei Joanna Garland 6 6
WC Japan Ena Koike 3 7 1
12 Chinese Taipei Joanna Garland 6 5 6

Fourth qualifier

First round Qualifying competition
          
4 Australia Kimberly Birrell 6 77
  Japan Mai Hontama 1 65
4 Australia Kimberly Birrell 4 3
7 United States Katie Volynets 6 6
WC Japan Hayu Kinoshita 4 4
7 United States Katie Volynets 6 6

Fifth qualifier

First round Qualifying competition
          
5 Italy Elisabetta Cocciaretto 6 6
  Australia Maddison Inglis 1 4
5 Italy Elisabetta Cocciaretto 77 6
9 Slovenia Kaja Juvan 65 2
  Australia Astra Sharma 6 2 2
9 Slovenia Kaja Juvan 3 6 6

Sixth qualifier

First round Qualifying competition
          
6 Hungary Dalma Gálfi 6 79
  Japan Kyōka Okamura 3 67
6 Hungary Dalma Gálfi 6 6
11 United States Taylor Townsend 1 3
WC Japan Mei Yamaguchi 77 3 63
11 United States Taylor Townsend 64 6 77

References

  1. ^ "Fernandez wins fifth career title with three-set defeat of Valentova in Osaka". Women's Tennis Association. Retrieved 19 October 2025.
  2. ^ "Lamens wins all-qualifier final in Osaka to capture first WTA title". Women's Tennis Association. Retrieved 20 October 2024.
  3. ^ "Osaka Open: Lamens wins the tournament". Tennis Majors. Retrieved 20 October 2024.
  4. ^ "Tearful Osaka battles injury to reach Japan Open quarterfinals". The Japan Times. Retrieved 15 October 2025.
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