2025 L'Open 35 de Saint-Malo – Singles

Singles
2025 L'Open 35 de Saint-Malo
Champion	Naomi Osaka
Runner-up	Kaja Juvan
Score	6–1, 7–5
Draw	32

Naomi Osaka won the title, defeating Kaja Juvan 6–1, 7–5 in the final.^[1] It was Osaka's first title below the WTA Tour level, first professional title on clay courts, and her first title since winning the 2021 Australian Open.^[2] It was her first appearance in a tournament below WTA Tour level since 2015.^[3]

Loïs Boisson was the defending champion, but lost in the first round to Léolia Jeanjean.^[4][5]

	Semifinals							Final
	7	Viktorija Golubic	4	4
	PR	Kaja Juvan	6	6
								PR	Kaja Juvan	1	5
								2/WC	Naomi Osaka	6	7
		Léolia Jeanjean	2	6	0
	2/WC	Naomi Osaka	6	4	6

	First round							Second round							Quarterfinals							Semifinals
	1/WC	M Kessler	6	6
	Q	Y Bartashevich	4	1				1/WC	M Kessler	78	6
	Q	T Andrianjafitrimo	6	4	1			WC	T Rakotomanga Rajaonah	66	1
	WC	T Rakotomanga Rajaonah	3	6	6										1/WC	M Kessler	3	5
		N Párrizas Díaz	0	3											7	V Golubic	6	7
		C Paquet	6	6					C Paquet	6	1	3
		S Janicijevic	63	5				7	V Golubic	3	6	6
	7	V Golubic	77	7																		7	V Golubic	4	4
	3	K Volynets	6	6																		PR	K Juvan	6	6
		A Zakharova	4	0				3	K Volynets	6	6
		P Hon	2	3					V Lepchenko	1	2
		V Lepchenko	6	6											3	K Volynets	1	6	1
		C Naef	6	62	6										PR	K Juvan	6	3	6
	Q	S Cakarevic	3	77	3				C Naef	6	2	2
	PR	K Juvan	6	62	6			PR	K Juvan	2	6	6
	5	G Minnen	1	77	3

	First round							Second round							Quarterfinals							Semifinals
	LL	N Noha Akugue	6	69	3
		F Ferro	4	711	6				F Ferro	6	6
		S Wei	3	65				Q	É Dartron	4	4
	Q	É Dartron	6	77												F Ferro	5	3
		L Jeanjean	6	4	6											L Jeanjean	7	6
	WC	L Boisson	3	6	4				L Jeanjean	6	1	6
		M Léonard	5	7	2			4	C Dolehide	3	6	1
	4	C Dolehide	7	5	6																		L Jeanjean	2	6	0
	6	O Gadecki	6	2	6																	2/WC	N Osaka	6	4	6
		V Mboko	2	6	3			6	O Gadecki	2	5
		E Jacquemot	6	4	6				E Jacquemot	6	7
		M Stakusic	4	6	4											E Jacquemot	3	4
		J Ponchet	2	2											2/WC	N Osaka	6	6
		D Parry	6	6					D Parry	6	3	4
		P Marčinko	2	1				2/WC	N Osaka	2	6	6
	2/WC	N Osaka	6	6

	First round							Qualifying competition
	1	Tessah Andrianjafitrimo	6	2	6
	WC	Sarah Iliev	3	6	4
								1	Tessah Andrianjafitrimo	6	6
								8	Emily Appleton	3	2
		Alyssa Réguer	6	1	4
	8	Emily Appleton	1	6	6

	First round							Qualifying competition
	2	Noma Noha Akugue	6	6
		Amina Anshba	2	2
								2	Noma Noha Akugue	65	5
								6	Émeline Dartron	77	7
		Freya Christie	3	2
	6	Émeline Dartron	6	6

	First round							Qualifying competition
	3	Carole Monnet	2	4
	WC	Eleejah Inisan	6	6
								WC	Eleejah Inisan	63	6	4
								7	Sara Cakarevic	77	3	6
		Jessica Pieri	63	4
	7	Sara Cakarevic	77	6

	First round							Qualifying competition
	4	Alina Charaeva	5	6	4
		Diana Martynov	7	2	6
									Diana Martynov	2	3
									Yara Bartashevich	6	6
		Yara Bartashevich	6	3	6
	5	Caroline Werner	1	6	1

• Main draw
• Qualifying draw