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Martín Alund and Horacio Zeballos were the defending champions but Zeballos chose not to compete.
Alund partnered with Facundo Bagnis and lost in the final to compatriots Guillermo Durán and Máximo González 6–3, 6–0.

Seeds

1. Martín Alund / Facundo Bagnis (final)
2. Guido Andreozzi / Eduardo Schwank (first round)
3. Renzo Olivo / Marco Trungelliti (semifinals)
4. Andrey Kuznetsov / Rubén Ramírez Hidalgo (withdrew)

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	M Alund F Bagnis	6	6
	WC	Francisco Bahamonde Facundo Jofre	2	0				1	M Alund F Bagnis
	WC	Facundo Alvo P Cachin	w.o						M Estévez M Martinez	w.o
		Maximiliano Estévez Mateo Martinez													1	M Alund F Bagnis	6	6
	Alt	Sebastian Bettiol G Villanueva	4	4												C Garin E Gómez	3	7
		C Garin E Gómez	6	6					C Garin E Gómez	6	7
		Raul Guardia Guillermo Riccitelli	1	0					GA Hidalgo S Travaglia	4	5
		Gabriel Alejandro Hidalgo S Travaglia	6	6																		1	M Alund F Bagnis	3	0
		P Heras A Molteni	3	7																			G Durán M González	6	6
		G Lama JI Londero	6	5					G Lama JI Londero	2	4
		T Lipovšek Puches Joaquin Monteferrario	4	6				3	R Olivo M Trungelliti	6	6
	3	R Olivo M Trungelliti	6	7											3	R Olivo M Trungelliti	1	4
		A Collarini D Schwartzman	6	2												G Durán M González	6	6
	PR	P Galdón Laurent Rochette	4	6				PR	P Galdón L Rochette	w.o
		G Durán M González	6	6					G Durán M González
	2	G Andreozzi E Schwank	3	2

External links

• Main draw

• 2013 ATP Challenger Tour
• Copa San Juan Gobierno
• 2013 in Argentine tennis