2021 Open Bogotá – Singles

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

Singles
2021 Open Bogotá
Champion	Gerald Melzer
Runner-up	Facundo Mena
Score	6–2, 3–6, 7–6(7–5)

Main article: 2021 Open Bogotá

Gerald Melzer won the title after defeating Facundo Mena 6–2, 3–6, 7–6^(7–5) in the final.

Seeds

1. Daniel Elahi Galán (second round)
2. Daniel Altmaier (second round)
3. Vít Kopřiva (first round)
4. Nicolás Jarry (first round)
5. Facundo Mena (final)
6. Jesper de Jong (semifinals)
7. Ulises Blanch (first round)
8. Malek Jaziri (first round)

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
	PR	Gerald Melzer	6	65	6
	Q	Nicolás Barrientos	2	77	1
								PR	Gerald Melzer	6	3	77
								5	Facundo Mena	2	6	65
	6	Jesper de Jong	63	5
	5	Facundo Mena	77	7

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	DE Galán	4	6	6
		Matthieu Perchicot	6	3	4			1	DE Galán	65	2
		O Luz	5	2				PR	G Melzer	77	6
	PR	G Melzer	7	6											PR	G Melzer	6	6
		N Mejía	6	7												N Mejía	0	4
		C Rodríguez	1	5					N Mejía	6	7
		L Catarina	6	6					L Catarina	4	5
	8	M Jaziri	2	3																		PR	G Melzer	6	65	6
	4	N Jarry	6	5	65																	Q	N Barrientos	2	77	1
	Q	E Couacaud	3	7	77			Q	E Couacaud	3	4
	Q	N Barrientos	2	6	6			Q	N Barrientos	6	6
	WC	JS Gómez	6	2	4										Q	N Barrientos	6	7
		G Oliveira	3	6	6											O Roca Batalla	3	5
		P Krstin	6	3	2				G Oliveira	3	6	5
		O Roca Batalla	6	6					O Roca Batalla	6	4	7
	7	U Blanch	3	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	J de Jong	77	77
		Pol Martín Tiffon	63	63				6	J de Jong	77	78
	Alt	Matías Zukas	4	64					R Quiroz	65	66
		R Quiroz	6	77											6	J de Jong	6	7
		Alexis Gautier	2	1												M Pucinelli de Almeida	2	5
		M Pucinelli de Almeida	6	6					M Pucinelli de Almeida	63	6	6
		A González	6	77					A González	77	1	2
	3	V Kopřiva	2	65																		6	J de Jong	63	5
	5	F Mena	6	6																		5	F Mena	77	7
	Q	L Castelnuovo	4	2				5	F Mena	6	6
	WC	A Gómez	6	3	7			WC	A Gómez	3	1
	Q	J Pospíšil	3	6	5										5	F Mena	6	6
		A Galarneau	6	6												A Galarneau	1	4
	WC	Enrique Peña	1	1					A Galarneau	6	3	6
		D Svrčina	4	1				2	D Altmaier	3	6	3
	2	D Altmaier	6	6