2021 Challenger Concepción – Singles

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

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

Main article: 2021 Challenger Concepción

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

Seeds

1. Federico Coria (quarterfinals)
2. Andrej Martin (semifinals)
3. Pedro Sousa (withdrew)
4. Hugo Dellien (quarterfinals)
5. Daniel Elahi Galán (second round)
6. Thiago Seyboth Wild (quarterfinals)
7. Facundo Bagnis (first round)
8. Daniel Altmaier (quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

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