Misplaced Pages

Ariel Behar and Fabiano de Paula were the defending champions but chose not to defend their title.

Guido Andreozzi and Guillermo Durán won the title after defeating Marcelo Demoliner and Andrés Molteni 6–4, 4–6, in the final.

Seeds

1. Marcelo Demoliner / Andrés Molteni (final)
2. Guido Andreozzi / Guillermo Durán (champions)
3. Tomás Lipovšek Puches / Fernando Romboli (semifinals)
4. Sergio Galdós / Federico Zeballos (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	M Demoliner A Molteni	6	4
	WC	R Olivo Matías Zukas	3	6				1	M Demoliner A Molteni	6	6
	PR	U Blanch F Mena	5	6					D Dima G Escobar	1	4
		D Dima G Escobar	7	3											1	M Demoliner A Molteni	6	6
	4	S Galdós F Zeballos	6	6											4	S Galdós F Zeballos	2	2
	WC	GA Olivieri C Ugo Carabelli	4	1				4	S Galdós F Zeballos	w/o
		A De Greef D Kuzmanov	3	1					M Cuevas H Dellien
		M Cuevas H Dellien	6	6																		1	M Demoliner A Molteni	4	6
		H Casanova Juan Ignacio Galarza	6	3																		2	G Andreozzi G Durán	6	4
		G Clezar J Domingues	4	6					H Casanova JI Galarza	4	5
		A Collarini F Coria	3	6				3	T Lipovšek Puches F Romboli	6	7
	3	T Lipovšek Puches F Romboli	6	7											3	T Lipovšek Puches F Romboli	2	4
	Alt	O Luz F Meligeni Alves	6	3											2	G Andreozzi G Durán	6	6
	WC	F Cerúndolo M Peña López	2	6				Alt	O Luz F Meligeni Alves	5	6
		F Agamenone F Argüello	6	4				2	G Andreozzi G Durán	7	7
	2	G Andreozzi G Durán	7	6

References

• Main draw

• 2018 ATP Challenger Tour
• Challenger de Buenos Aires