Singles
2021 Maia Challenger
Final
Champion	Geoffrey Blancaneaux
Runner-up	Tseng Chun-hsin
Score	3–6, 6–3, 6–2
Events
Singles Doubles
← 2020 · Maia Challenger · 2021 →

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

Geoffrey Blancaneaux won the title after defeating Tseng Chun-hsin 3–6, 6–3, 6–2 in the final.

	Semifinals							Final
	1	Andrej Martin	4	5
	6	Tseng Chun-hsin	6	7
								6	Tseng Chun-hsin	6	3	2
								8	Geoffrey Blancaneaux	3	6	6
	8	Geoffrey Blancaneaux	77	6
	5	Nuno Borges	63	0

	First round							Second round							Quarterfinals							Semifinals
	1	A Martin	6	6
		C Sánchez Jover	3	0				1	A Martin	6	77
	Q	Lorenzo Bocchi	4	6	63			PR	E Benchetrit	2	60
	PR	E Benchetrit	6	0	77										1	A Martin	6	5	6
		L Wessels	7	3	6											L Wessels	2	7	4
	Q	Simone Roncalli	5	6	3				L Wessels	3	6	6
		O Roca Batalla	6	6					O Roca Batalla	6	2	2
	7	S Diez	4	1																		1	A Martin	4	5
	4	J Domingues	2	77	6																	6	C-h Tseng	6	7
		Matthieu Perchicot	6	62	1			4	J Domingues	3	77	3
	WC	Pedro Araújo	3	1					C Hemery	6	65	6
		C Hemery	6	6												C Hemery	4	1
	WC	D Vale	77	3	2										6	C-h Tseng	6	6
		ND Ionel	61	6	6				ND Ionel	3	4
	Q	Oscar Moraing	4	1				6	C-h Tseng	6	6
	6	C-h Tseng	6	6

	First round							Second round							Quarterfinals							Semifinals
	8	G Blancaneaux	6	3	6
		N Sánchez Izquierdo	3	6	2			8	G Blancaneaux	2	6	6
		G Oliveira	6	6					G Oliveira	6	3	4
		M Hamou	2	2											8	G Blancaneaux	w/o
	WC	T Cação	2	6	6										3	G Elias
		D Pichler	6	1	4			WC	T Cação	2	6	3
		Eduard Esteve Lobato	4	2				3	G Elias	6	2	6
	3	G Elias	6	6																		8	G Blancaneaux	77	6
	5	N Borges	1	6	6																	5	N Borges	63	0
		Elmar Ejupovic	6	3	4			5	N Borges	7	6
		A Dougaz	6	6					A Dougaz	5	1
		I Gakhov	1	4											5	N Borges	6	77
	PR	J Cagnina	6	65	4										2	K Coppejans	4	64
	Q	Miguel Damas	0	77	6			Q	M Damas	2	1
		P Jubb	1	1				2	K Coppejans	6	6
	2	K Coppejans	6	6

• Main draw
• Qualifying draw