Doubles
2021 Brest Challenger
Champions	Sadio Doumbia Fabien Reboul
Runners-up	Salvatore Caruso Federico Gaio
Score	4–6, 6–3, [10–3]

Denys Molchanov and Andrei Vasilevski were the defending champions^[1] but only Molchanov chose to defend his title, partnering Aleksandr Nedovyesov. Molchanov lost in the semifinals to Sadio Doumbia and Fabien Reboul.

Doumbia and Reboul won the title after defeating Salvatore Caruso and Federico Gaio 4–6, 6–3, [10–3].

Seeds

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

	First round							Quarterfinals							Semifinals							Final
	1	D Molchanov A Nedovyesov	6	7
		S Balaji D Sharan	3	5				1	D Molchanov A Nedovyesov	6	5	[11]
		F Ferreira Silva J Sousa	4	6	[10]				F Ferreira Silva J Sousa	2	7	[9]
	PR	F Cabral E Hoyt	6	1	[5]										1	D Molchanov A Nedovyesov	612	2
	4	S Doumbia F Reboul	6	6											4	S Doumbia F Reboul	714	6
		M Guinard A Hoang	0	3				4	S Doumbia F Reboul	4	79	[10]
		DN Mădăraș A Vatutin	3	4					L Broady L Johnson	6	67	[7]
		L Broady L Johnson	6	6																		4	S Doumbia F Reboul	4	6	[10]
		M Martineau Z Piros	4	5																			S Caruso F Gaio	6	3	[3]
		H Grenier A Müller	6	7					H Grenier A Müller	4	1
		J Cerretani F Fallert	63	3				3	Z Kolář D Vega Hernández	6	6
	3	Z Kolář D Vega Hernández	77	6											3	Z Kolář D Vega Hernández	5	5
		A Dougaz M Safwat	3	4												S Caruso F Gaio	7	7
		S Caruso F Gaio	6	6					S Caruso F Gaio	7	3	[10]
		N Monroe B Nakashima	6	6					N Monroe B Nakashima	5	6	[6]
	2	A Olivetti M Reid	4	4

References

External links

• Main draw