Singles
2023 Aberto da República
Champion	Alejandro Tabilo
Runner-up	Román Andrés Burruchaga
Score	6–3, 7–6(8–6)

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

Alejandro Tabilo won the title after defeating Román Andrés Burruchaga 6–3, 7–6^(8–6) in the final.

Seeds

Draw

Finals

	Semifinals							Final
		Santiago Rodríguez Taverna	4	3
		Román Andrés Burruchaga	6	6
									Román Andrés Burruchaga	3	66
								Q	Alejandro Tabilo	6	78
	Q	Alejandro Tabilo	6	3	6
		Juan Pablo Ficovich	4	6	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	C Garín	6	6
	Alt	O Luz	0	4				1	C Garín	7	6
	Q	G Bueno	62	67					JL Reis da Silva	5	4
		JL Reis da Silva	77	79											1	C Garín	4	5
		S Rodríguez Taverna	6	5	7											S Rodríguez Taverna	6	7
	WC	E Ribeiro	4	7	5				S Rodríguez Taverna	3	6	77
		M Pucinelli de Almeida	3	3				7	N Moreno de Alboran	6	4	65
	7	N Moreno de Alboran	6	6																			S Rodríguez Taverna	4	3
	4	A Kovacevic	3	6	62																		RA Burruchaga	6	6
	WC	J Fonseca	6	3	77			WC	J Fonseca	6	4	4
		H Casanova	6	5	1				RA Burruchaga	4	6	6
		RA Burruchaga	1	7	6											RA Burruchaga	77	6
	Alt	B Lock	64	65												T Boyer	63	1
		R Olivo	77	77					R Olivo	1	4
		Tristan Boyer	6	6					T Boyer	6	6
	8	G Andreozzi	4	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	LL	M Alves	7	6
	Q	F Romboli	5	3				LL	M Alves	4	4
	Q	A Tabilo	6	77				Q	A Tabilo	6	6
	Q	I Buse	4	65											Q	A Tabilo	6	64	711
		V Vacherot	6	6												B Tomic	4	77	69
	LL	B Bicknell	1	1					V Vacherot	5	7	66
		B Tomic	6	6					B Tomic	7	5	78
	9	Oliver Crawford	3	2																		Q	A Tabilo	6	3	6
	5	TA Tirante	6	6																			JP Ficovich	4	6	2
		F Bagnis	2	4				5	TA Tirante	6	6
	Q	Wilson Leite	64	5				WC	G Klier Júnior	4	4
	WC	Gilbert Klier Júnior	77	7											5	TA Tirante	6	3	61
		JP Ficovich	6	6												JP Ficovich	4	6	77
	Q	P Sakamoto	1	2					JP Ficovich	77	6
		G Heide	79	6					G Heide	62	3
	2	T Barrios Vera	67	4

References

External links

• Main draw
• Qualifying draw