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Julio Peralta and Horacio Zeballos were the defending champions but chose not to defend their title.

Ariel Behar and Fabiano de Paula won the title after defeating Máximo González and Fabrício Neis 7–6, 5–7, in the final.

Seeds

1. Ariel Behar / Fabiano de Paula (champions)
2. Máximo González / Fabrício Neis (final)
3. Sergio Galdós / Fernando Romboli (semifinals)
4. Federico Coria / Tomás Lipovšek Puches (semifinals)

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

	First round							Quarterfinals							Semifinals							Final
	1	A Behar F de Paula	6	6
		J Kovalík A Martin	2	7				1	A Behar F de Paula	w/o
		JI Londero F Mena	6	3					JI Londero F Mena
	WC	F Argüello G Villanueva	3	6											1	A Behar F de Paula	6	7
	4	F Coria T Lipovšek Puches	6	6											4	F Coria T Lipovšek Puches	2	6
		M Linzer JP Sorgi	3	4				4	F Coria T Lipovšek Puches	7	7
		G Melzer J Souza	6	6					G Melzer J Souza	6	5
	WC	H Casanova JP Paz	4	0																		1	A Behar F de Paula	7	5
		J Munar M Vilella Martínez	7	6																		2	M González F Neis	6	7
		F Agamenone Mariano Kestelboim	5	7					J Munar M Vilella Martínez	2	5
	WC	GA Olivieri C Ugo Carabelli	6	3				3	S Galdós F Romboli	6	7
	3	S Galdós F Romboli	4	6											3	S Galdós F Romboli	6	2
		Lenny Hampel M Janvier	6	3											2	M González F Neis	7	6
		G Clezar B Rola	4	6					G Clezar B Rola
		J Domingues G Oliveira	2	4				2	M González F Neis	w/o
	2	M González F Neis	6	6

References

• Main draw

• 2017 ATP Challenger Tour
• Challenger de Buenos Aires