2023 Florianópolis Challenger – Singles

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

Singles
2023 Florianópolis Challenger
Champion	Tomás Barrios Vera
Runner-up	Alejandro Tabilo
Score	6–4, 6–4

Main article: 2023 Florianópolis Challenger

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

Seeds

1. Tomás Barrios Vera (champion)
2. Alejandro Tabilo (final)
3. Luciano Darderi (first round)
4. Andrea Collarini (second round)
5. Genaro Alberto Olivieri (quarterfinals)
6. Thiago Seyboth Wild (second round)
7. Alessandro Giannessi (quarterfinals)
8. Francisco Comesaña (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
	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

Top half

	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

Bottom half

	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