Singles
2023 Florianópolis Challenger
Final
Champion	Tomás Barrios Vera
Runner-up	Alejandro Tabilo
Score	6–4, 6–4
Events
Singles Doubles
← 2021 · Florianópolis Challenger · 2024 →

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

Tomás Barrios Vera won the title after defeating Alejandro Tabilo 6–4, 6–4 in the final.^[2]

	Semifinals							Final
	1	Tomás Barrios Vera	6	6
		Eduardo Ribeiro	3	4
								1	Tomás Barrios Vera	6	6
								2	Alejandro Tabilo	4	4
		Benjamin Hassan	4	6	3
	2	Alejandro Tabilo	6	4	6

	First round							Second round							Quarterfinals							Semifinals
	1	T Barrios Vera	6	6
		G Heide	4	4				1	T Barrios Vera	3	6	6
		G Villanueva	3	77	2			Q	GI Justo	6	3	3
	Q	Guido Iván Justo	6	62	6										1	T Barrios Vera	6	77
	Q	O Luz	6	6											5	GA Olivieri	3	64
	Q	I Carou	3	3				Q	O Luz	710	4	2
		G Mpetshi Perricard	5	5				5	GA Olivieri	68	6	6
	5	GA Olivieri	7	7																		1	T Barrios Vera	6	6
	4	A Collarini	6	6																			E Ribeiro	3	4
		RA Burruchaga	2	1				4	A Collarini	77	62	4
		E Ribeiro	6	5	6				E Ribeiro	63	77	6
		V Aboian	4	7	3											E Ribeiro	6	65	7
		G Lama	3	3											WC	J Fonseca	1	77	5
	WC	J Fonseca	6	6				WC	J Fonseca	3	6	6
		D Dutra da Silva	3	5				6	T Seyboth Wild	6	3	4
	6	T Seyboth Wild	6	7

	First round							Second round							Quarterfinals							Semifinals
	7	A Giannessi	6	6
		Juan Bautista Otegui	2	3				7	A Giannessi	6	6
		P Boscardin Dias	6	6					P Boscardin Dias	4	4
		M Janvier	4	2											7	A Giannessi	6	4	68
	Q	P Sakamoto	6	6												B Hassan	3	6	710
	WC	Gustavo Ribeiro de Almeida	0	4				Q	P Sakamoto	6	3	2
		B Hassan	5	6	6				B Hassan	4	6	6
	3	L Darderi	7	4	4																		B Hassan	4	6	3
	8	F Comesaña	6	6																		2	A Tabilo	6	4	6
	Q	A Huertas del Pino	4	0				8	F Comesaña	77	6
	Q	Wilson Leite	3	2					J Pereira	65	2
		J Pereira	6	6											8	F Comesaña	6	3	5
	WC	Pedro Rodrigues	2	64											2	A Tabilo	4	6	7
		M Pucinelli de Almeida	6	77					M Pucinelli de Almeida	4	62
		G Bueno	1	0				2	A Tabilo	6	77
	2	A Tabilo	6	6

• Main draw
• Qualifying draw