2023 Aberto da República – Doubles

Mateus Alves and Gustavo Heide were the defending champions^[1] but chose to defend their title with different partners. Alves partnered Gabriel Décamps but lost in the semifinals to Marcelo Demoliner and Rafael Matos. Heide partnered Gilbert Klier Júnior but retired from his first round match against Demoliner and Matos.

Doubles
2023 Aberto da República
Champions	Nicolás Barrientos André Göransson
Runners-up	Marcelo Demoliner Rafael Matos
Score	7–6(7–3), 4–6, [11–9]

Main article: 2023 Aberto da República

Nicolás Barrientos and André Göransson won the title after defeating Demoliner and Matos 7–6^(7–3), 4–6, [11–9] in the final.

Seeds

1. Marcelo Demoliner / Rafael Matos (final)
2. Nicolás Barrientos / André Göransson (champions)
3. Guido Andreozzi / Guillermo Durán (quarterfinals)
4. Boris Arias / Federico Zeballos (semifinals)

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

	First round							Quarterfinals							Semifinals							Final
	1	M Demoliner R Matos	0
	WC	G Heide Gilbert Klier Júnior	0r					1	M Demoliner R Matos	6	6
		F Romboli M Zormann	6	78					F Romboli M Zormann	4	4
		N Moreno de Alboran M Pucinelli de Almeida	2	66											1	M Demoliner R Matos	6	6
	3	G Andreozzi G Durán	77	7											WC	M Alves G Décamps	4	4
		JL Reis da Silva E Ribeiro	64	5				3	G Andreozzi G Durán	64	6	[9]
		A Huertas del Pino C Huertas del Pino	5	4				WC	M Alves G Décamps	77	3	[11]
	WC	M Alves G Décamps	7	6																		1	M Demoliner R Matos	63	6	[9]
		A Taylor B Tomic	3	4																		2	N Barrientos A Göransson	77	4	[11]
		O Luz MÁ Reyes-Varela	6	6					O Luz MÁ Reyes-Varela	6	2	[11]
		B Lock R Statham	4	7	[8]			4	B Arias F Zeballos	3	6	[13]
	4	B Arias F Zeballos	6	5	[10]										4	B Arias F Zeballos	1	4
		I Carou TA Tirante	4	4											2	N Barrientos A Göransson	6	6
		FA Gómez LD Martínez	6	6					FA Gómez LD Martínez	5	77	[6]
		L Margaroli S Rodríguez Taverna	5	3				2	N Barrientos A Göransson	7	61	[10]
	2	N Barrientos A Göransson	7	6