Singles
2022 Open de Rennes
Final
Champion	Ugo Humbert
Runner-up	Dominic Thiem
Score	6–3, 6–0
Events
Singles Doubles
← 2021 · Open de Rennes · 2023 →

Benjamin Bonzi was the defending champion^[1] but chose not to defend his title.

Ugo Humbert won the title after defeating Dominic Thiem 6–3, 6–0 in the final.

	Semifinals							Final
	1	Hugo Gaston	2	5
	WC	Dominic Thiem	6	7
								WC	Dominic Thiem	3	0
								4	Ugo Humbert	6	6
	4	Ugo Humbert	6	6
	2	Peter Gojowczyk	3	4

	First round							Second round							Quarterfinals							Semifinals
	1	H Gaston	7	6
	Q	Y Mertens	5	4				1	H Gaston	6	4	6
	WC	G Debru	4	6	6			WC	G Debru	2	6	3
		M Rosenkranz	6	3	4										1	H Gaston	6	6
	Q	M Topo	6	65	3										7	B Paire	3	1
		C Tabur	1	77	6				C Tabur	3	3
		D Added	63	6	5			7	B Paire	6	6
	7	B Paire	77	4	7																	1	H Gaston	2	5
	3	H Grenier	6	6																		WC	D Thiem	6	7
	Q	Maxime Mora	2	2				3	H Grenier	6	3	64
		A Andreev	3	77	77				A Andreev	4	6	77
		M Janvier	6	65	61											A Andreev	6	3	2
	WC	D Thiem	4	6	6										WC	D Thiem	3	6	6
		G Simon	6	3	2			WC	D Thiem	6	6
		A Escoffier	3	65				5	R Peniston	3	4
	5	R Peniston	6	77

	First round							Second round							Quarterfinals							Semifinals
	8	G Brouwer	63	6	6
	Q	MH Rehberg	77	4	4			8	G Brouwer	7	3	6
	WC	C Chidekh	6	5	6			WC	C Chidekh	5	6	3
		G Décamps	2	7	1										8	G Brouwer	1	65
		A Bellier	6	6											4	U Humbert	6	77
		A Vatutin	4	4					A Bellier	4	1
	Q	K Friberg	3	4				4	U Humbert	6	6
	4	U Humbert	6	6																		4	U Humbert	6	6
	6	G Barrère	6	6																		2	P Gojowczyk	3	4
		H Moriya	3	2				6	G Barrère	77	6
		E Furness	77	6					E Furness	62	4
	Q	F Bergevi	63	2											6	G Barrère	62	6	5
		D Masur	69	6	6										2	P Gojowczyk	77	4	7
		J De Loore	711	2	4				D Masur	6	3	5
		K de Schepper	77	3	2			2	P Gojowczyk	2	6	7
	2	P Gojowczyk	64	6	6

• Main draw
• Qualifying draw