Doubles
2021 Maia Challenger
Final
Champions	Nuno Borges Francisco Cabral
Runners-up	Andrej Martin Gonçalo Oliveira
Score	6–3, 6–4
Events
Singles Doubles
← 2020 · Maia Challenger · 2021 →

Zdeněk Kolář and Andrea Vavassori were the defending champions^[1] but chose not to defend their title.

Nuno Borges and Francisco Cabral won the title after defeating Andrej Martin and Gonçalo Oliveira 6–3, 6–4 in the final.

	First round							Quarterfinals							Semifinals							Final
	1	A Martin G Oliveira	w/o
		S Diez N Sánchez Izquierdo						1	A Martin G Oliveira	6	6
		Elmar Ejupovic L Wessels	66	79	[6]				E Esteve Lobato O Roca Batalla	2	4
		Eduard Esteve Lobato O Roca Batalla	78	67	[10]										1	A Martin G Oliveira	6	6
	3	K Coppejans Mats Hermans	77	6												L Bocchi M Damas	4	3
	WC	Miguel Gomes Francisco Rocha	64	0				3	K Coppejans M Hermans	4	77	[2]
		Lorenzo Bocchi Miguel Damas	6	65	[11]				L Bocchi M Damas	6	63	[10]
		Gonçalo Falcão D Vale	4	77	[9]																	1	A Martin G Oliveira	3	4
		ND Ionel Oscar Moraing	1	2																		2	N Borges F Cabral	6	6
		G Blancaneaux C Hemery	6	6					G Blancaneaux C Hemery	6	77
		T Cação Fábio Coelho	66	6	[4]			4	I Gakhov D Pichler	3	63
	4	I Gakhov D Pichler	78	2	[10]											G Blancaneaux C Hemery	1	3
	WC	Henrique Petiz Tiago Silva	5	3											2	N Borges F Cabral	6	6
		A Dougaz C-h Tseng	7	6					A Dougaz C-h Tseng	3	4
	WC	J Faria Luís Faria	3	4				2	N Borges F Cabral	6	6
	2	N Borges F Cabral	6	6

• Main draw