2025 Japan Women's Open – Singles

Singles
2025 Japan Women's Open
2024 Champion	Suzan Lamens
Details
Draw	32 (6 Q / 4 WC)
Seeds	8
Events
Singles Doubles
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Further information: 2025 Japan Women's Open

Suzan Lamens was the defending champion ^{[1] [2]} , but lost in the second round to Naomi Osaka. ^[3]

Seeds

1. Naomi Osaka (quarterfinals, withdrew)
2. Linda Nosková (first round)
3. Elise Mertens (second round)
4. Leylah Fernandez
5. Marie Bouzková (second round)
6. Olga Danilović
7. Ann Li (second round)
8. Jéssica Bouzas Maneiro (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

Semifinals

Final

Jaqueline Cristian

4

Leylah Fernandez

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
	3	E Mertens	77	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
		M Sakkari	6	3	4										6	O Danilović
		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
	5	M Bouzková	6	6
	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
		S Cîrstea	2	6	6											S Cîrstea
	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. "Lamens wins all-qualifier final in Osaka to capture first WTA title". Women's Tennis Association. Retrieved 20 October 2024.
2. "Osaka Open: Lamens wins the tournament". Tennis Majors. Retrieved 20 October 2024.
3. "Tearful Osaka battles injury to reach Japan Open quarterfinals". The Japan Times. Retrieved 15 October 2025.

External links

• Main draw
• Qualifying draw