2021 Rio Tennis Classic – Singles

Carlos Berlocq was the defending champion but chose not to defend his title.

Singles
2021 Rio Tennis Classic
Champion	Kaichi Uchida
Runner-up	Nicolás Álvarez Varona
Score	3–6, 6–3, 7–6(7–3)

Main article: 2021 Rio Tennis Classic

Kaichi Uchida won the title after defeating Nicolás Álvarez Varona 3–6, 6–3, 7–6^(7–3) in the final.

Seeds

1. Thiago Seyboth Wild (quarterfinals)
2. Nicolás Kicker (semifinals)
3. Juan Pablo Ficovich (first round)
4. Matheus Pucinelli de Almeida (withdrew)
5. Roberto Cid Subervi (first round, retired)
6. Orlando Luz (first round)
7. Peđa Krstin (first round)
8. Kaichi Uchida (champion)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
	8	Kaichi Uchida	6	6
	WC	Gabriel Décamps	2	3
								8	Kaichi Uchida	3	6	77
									Nicolás Álvarez Varona	6	3	63
		Nicolás Álvarez Varona	6	7
	2	Nicolás Kicker	2	5

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	T Seyboth Wild	6	6
	WC	Lorenzo Esquici	2	0				1	T Seyboth Wild	6	3	7
		J Nikles	6	6					J Nikles	1	6	5
	Q	L Castelnuovo	2	4											1	T Seyboth Wild	4	1
		GA Olivieri	5	6	6										8	K Uchida	6	6
	PR	G Clezar	7	4	3				GA Olivieri	6	3	1
		G Villanueva	3	4				8	K Uchida	3	6	6
	8	K Uchida	6	6																		8	K Uchida	6	6
	3	JP Ficovich	6	1	2																	WC	G Décamps	2	3
		A Gómez	4	6	6				A Gómez	6	4	1
	WC	G Décamps	6	6				WC	G Décamps	3	6	6
	Q	N Barrientos	1	4											WC	G Décamps	6	4	6
	Q	R Matos	6	0	6											D Dutra da Silva	4	6	2
	WC	Wilson Leite	4	6	2			Q	R Matos	3	0r
		D Dutra da Silva	78	6					D Dutra da Silva	6	0
	6	O Luz	66	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	P Krstin	2	66
		L Darderi	6	78					L Darderi	3	1
		F Díaz Acosta	3	6	3				N Álvarez Varona	6	6
		N Álvarez Varona	6	4	6											N Álvarez Varona	6	6
		P Sakamoto	6	4	6										LL	R Smith	4	4
		Facundo Juárez	4	6	4				P Sakamoto	710	4	3
	LL	Roy Smith	6	77				LL	R Smith	68	6	6
	LL	F Zeballos	4	64																			N Álvarez Varona	6	7
	5	R Cid Subervi	3	0r																		2	N Kicker	2	5
		B Bobrov	6	1					B Bobrov	64	6	3
		MF Descotte	63	4				Alt	M Alves	77	3	6
	Alt	M Alves	77	6											Alt	M Alves	6	64	4
	Q	J Pereira	2	7	4										2	N Kicker	3	77	6
	SE	I Marcondes	6	5	6			SE	I Marcondes	4	1
		A González	5	3				2	N Kicker	6	6
	2	N Kicker	7	6

External links

• Main draw
• Qualifying draw