Singles
2021 Campeonato Internacional de Tênis de Campinas
Champion	Sebastián Báez
Runner-up	Thiago Monteiro
Score	6–1, 6–4

Francisco Cerúndolo was the defending champion^[1] but lost in the semifinals to Sebastián Báez.

Báez won the title after defeating Thiago Monteiro 6–1, 6–4 in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Tomás Martín Etcheverry	6	2	3
	4	Thiago Monteiro	1	6	6
								4	Thiago Monteiro	1	4
								7	Sebastián Báez	6	6
	8	Francisco Cerúndolo	6	1	2
	7	Sebastián Báez	4	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	F Coria	2	3
		N Jarry	6	6					N Jarry	6	6
		C Ugo Carabelli	77	3					C Ugo Carabelli	1	2
		T Seyboth Wild	64	1r												N Jarry	4	1
		TM Etcheverry	6	6												TM Etcheverry	6	6
		R Cid Subervi	2	0					TM Etcheverry	3	6	6
		N Kuhn	7	6					N Kuhn	6	4	1
	6	DE Galán	5	3																			TM Etcheverry	6	2	3
	4	T Monteiro	6	6																		4	T Monteiro	1	6	6
	Q	J Nikles	2	1				4	T Monteiro	5
		JP Varillas	6	6					JP Varillas	1r
	WC	Matheus Bueres	2	1											4	T Monteiro	64	6	77
		T Skatov	6	77												T Skatov	77	3	64
		R Olivo	3	63					T Skatov	77	6
		A Collarini	6	6					A Collarini	62	2
	5	P Cuevas	3	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	F Cerúndolo	6	6
	WC	Gilbert Klier Júnior	3	0				8	F Cerúndolo	6	6
		G Andreozzi	3	4					F Meligeni Alves	2	3
		F Meligeni Alves	6	6											8	F Cerúndolo	6	7
	WC	G Heide	7	4	6										3	JM Cerúndolo	1	5
		JI Londero	5	6	4			WC	G Heide	1	6	3
	Alt	M Pucinelli de Almeida	6	5	1			3	JM Cerúndolo	6	3	6
	3	JM Cerúndolo	4	7	6																	8	F Cerúndolo	6	1	2
	7	S Báez	77	6																		7	S Báez	4	6	6
		F Mena	60	2				7	S Báez	6	6
	Q	N Álvarez	4	6	6			Q	N Álvarez	4	3
		P Cachin	6	4	2										7	S Báez	2	77	6
	Alt	O Luz	3	4											Q	S Rodríguez Taverna	6	61	1
	Q	N Álvarez Varona	6	6				Q	N Álvarez Varona	67	77	5
	Q	S Rodríguez Taverna	6	6				Q	S Rodríguez Taverna	79	65	7
	2	J Munar	4	3

References

External links

• Main draw
• Qualifying draw