2021 Argentina Open – Doubles

Marcel Granollers and Horacio Zeballos were the defending champions, but they decided not to participate this year.

Doubles
2021 Argentina Open
Champions	Tomislav Brkić Nikola Ćaćić
Runners-up	Ariel Behar Gonzalo Escobar
Score	6–3, 7–5

Main article: 2021 Argentina Open

Tomislav Brkić and Nikola Ćaćić won the title, defeating Ariel Behar and Gonzalo Escobar in the final, 6–3, 7–5.

Seeds

1. Austin Krajicek / Franko Škugor (semifinals)
2. Marcelo Demoliner / Santiago González (first round)
3. Simone Bolelli / Máximo González (quarterfinals)
4. Ariel Behar / Gonzalo Escobar (final)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Draw

	First round							Quarterfinals							Semifinals							Final
	1	A Krajicek F Škugor	2	6	[10]
		P Andújar J Munar	6	3	[8]			1	A Krajicek F Škugor	6	6
		N Monroe A Sitak	6	63	[7]			WC	F Cerúndolo F Coria	4	2
	WC	F Cerúndolo F Coria	3	77	[10]										1	A Krajicek F Škugor	66	6	[3]
	4	A Behar G Escobar	6	69	[10]										4	A Behar G Escobar	78	4	[10]
		M Kecmanović G Mager	3	711	[6]			4	A Behar G Escobar	6	77
		O Marach LD Martínez	6	3	[11]				O Marach LD Martínez	2	63
		R Arneodo B Paire	4	6	[9]																	4	A Behar G Escobar	3	5
		G Durán A Molteni	2	1																			T Brkić N Ćaćić	6	7
		D Koepfer J Sousa	6	6					D Koepfer J Sousa	4	77	[10]
	WC	F Díaz Acosta TA Tirante	65	1				3	S Bolelli M González	6	64	[5]
	3	S Bolelli M González	77	6												D Koepfer J Sousa	6	65	[5]
		T Brkić N Ćaćić	6	6												T Brkić N Ćaćić	3	77	[10]
	Alt	R Carballés Baena S Caruso	3	4					T Brkić N Ćaćić	w/o
		A Göransson T Monteiro	6	6					A Göransson T Monteiro
	2	M Demoliner S González	4	2

References

• Main Draw