2025 Japan Women's Open – Singles

Further information: 2025 Japan Women's Open
Singles
2025 Japan Women's Open
Champion Leylah Fernandez
Runner-up 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. Naomi Osaka (quarterfinals, withdrew)
  2. Linda Nosková (first round)
  3. Elise Mertens (second round)
  4. Leylah Fernandez (champion)
  5. Marie Bouzková (second round)
  6. Olga Danilović (quarterfinals)
  7. Ann Li (second round)
  8. Jéssica Bouzas Maneiro (second round)

Draw

Key

Finals

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

Top half

First round Second round Quarterfinals Semifinals
1 N Osaka 6 6
WC W Sonobe 0 4 1 N Osaka 78 3 6
S Lamens 6 6 S Lamens 66 6 2
E Arango 1 2 1 N Osaka
J Cristian 6 77 J Cristian w/o
Q E Cocciaretto 2 64 J Cristian 0 6 6
Q K Volynets 2 4 8 J Bouzas Maneiro 6 4 2
8 J Bouzas Maneiro 6 6   J Cristian 77 4 3
3 E Mertens 77 6 Q T Valentová 63 6 6
C Bucșa 65 3 3 E Mertens 4 1
Q T Valentová 6 6 Q T Valentová 6 6
A Eala 1 2 Q T Valentová 4 6 6
M Sakkari 6 3 4 6 O Danilović 6 2 3
A Krueger 2 6 6 A Krueger 4 4
WC N Hibino 4 6 2 6 O Danilović 6 6
6 O Danilović 6 1 6

Bottom half

First round Second round Quarterfinals Semifinals
7 A Li 6 6
Q V Gracheva 4 0 7 A Li 2 6 3
Q J Garland 3 1 R Šramková 6 3 6
R Šramková 6 6 R Šramková 62 3
Q D Gálfi 6 6 4 L Fernandez 77 6
A Parks 4 4 Q D Gálfi 1 4
H Baptiste 2 5 4 L Fernandez 6 6
4 L Fernandez 6 7 4 L Fernandez 6 2 6
5 M Bouzková 6 6 S Cîrstea 1 6 4
WC E Shibahara 1 1 5 M Bouzková 6 2 63
V Golubic 6 4 6 V Golubic 1 6 77
PR B Andreescu 3 6 4 V Golubic 2 6 2
S Cîrstea 2 6 6 S Cîrstea 6 2 6
WC M Uchijima 6 4 2 S Cîrstea 6 6
K Boulter 77 6 K Boulter 3 1
2 L Nosková 63 3

Qualifying

Seeds

  1. Tereza Valentová (qualified)
  2. Varvara Gracheva (qualified)
  3. Caty McNally (qualifying competition)
  4. Kimberly Birrell (qualifying competition)
  5. Elisabetta Cocciaretto (qualified)
  6. Dalma Gálfi (qualified)
  7. Katie Volynets (qualified)
  8. Elena-Gabriela Ruse (qualifying competition)
  9. Kaja Juvan (qualifying competition)
  10. Greet Minnen (qualifying competition)
  11. Taylor Townsend (qualifying competition)
  12. Joanna Garland (qualified)

Qualifiers

  1. Tereza Valentová
  2. Varvara Gracheva
  3. Joanna Garland
  4. Katie Volynets
  5. Elisabetta Cocciaretto
  6. Dalma Gálfi

Qualifying draw

First qualifier

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

Second qualifier

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

Third qualifier

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

Fourth qualifier

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

Fifth qualifier

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

Sixth qualifier

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