Singles
2021 Challenger Concepción
Champion	Sebastián Báez
Runner-up	Francisco Cerúndolo
Score	6–3, 6–7(5–7), 7–6(7–5)

This was the first edition of the tournament.^[1]

Sebastián Báez won the title after defeating Francisco Cerúndolo 6–3, 6–7^(5–7), 7–6^(7–5) in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Alejandro Tabilo	1	1
		Francisco Cerúndolo	6	6
									Francisco Cerúndolo	3	77	65
									Sebastián Báez	6	65	77
		Sebastián Báez	6	6
	2	Andrej Martin	4	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	F Coria	6	6
	Q	V Sachko	2	2				1	F Coria	6	6
		G Clezar	2	2					MT Barrios Vera	4	4
		MT Barrios Vera	6	6											1	F Coria	5	77	62
		J Domingues	4	6	7											A Tabilo	7	64	77
	Q	C Gómez-Herrera	6	4	5				J Domingues	65	2
		A Tabilo	6	7					A Tabilo	77	6
	7	F Bagnis	2	5																			A Tabilo	1	1
	Alt	C Ugo Carabelli	1	77	2																		F Cerúndolo	6	6
	WC	N Jarry	6	61	6			WC	N Jarry	6	4	5
		F Cerúndolo	7	7					F Cerúndolo	4	6	7
		A Collarini	5	5												F Cerúndolo	6	77
		E Gómez	6	1	6										6	T Seyboth Wild	3	64
	WC	N Álvarez	4	6	0				E Gómez	1	2
		O Luz	1	2				6	T Seyboth Wild	6	6
	6	T Seyboth Wild	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	DE Galán	6	6
	Q	TA Tirante	3	4				5	DE Galán	5	2
	WC	G Lama	4	1					S Báez	7	6
		S Báez	6	6												S Báez	6	6
	Q	H Casanova	3	7	6										4	H Dellien	1	1
		C Lindell	6	5	1			Q	H Casanova	1	3
		F Meligeni Alves	0	67				4	H Dellien	6	6
	4	H Dellien	6	79																			S Báez	6	6
	8	D Altmaier	4	6	6																	2	A Martin	4	3
		JM Cerúndolo	6	2	1			8	D Altmaier	1	6	6
		L Klein	7	6					L Klein	6	3	3
		F Mena	5	1											8	D Altmaier	64	3
		P Sakamoto	6	77											2	A Martin	77	6
		G Andreozzi	2	63					P Sakamoto	3	3
		J Menezes	3	2				2	A Martin	6	6
	2	A Martin	6	6

References

External links

• Main draw
• Qualifying draw