Singles
2013 Copa San Juan Gobierno
Champion	Guido Andreozzi
Runner-up	Diego Schwartzman
Score	6–7(5–7), 7–6(7–4), 6–0

Thiemo de Bakker was the defending champion but chose not to compete.
Guido Andreozzi defeated top seed Diego Sebastián Schwartzman 6–7^(5–7), 7–6^(7–4), 6–0.

Seeds

Draw

Finals

	Semifinals							Final
	1	Diego Schwartzman	77	6
		Juan Ignacio Londero	65	3
								1	Diego Schwartzman	77	64	0
								8	Guido Andreozzi	65	77	6
	8	Guido Andreozzi	3	77	6
	6	Máximo González	6	61	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Schwartzman	4	6	6
		G Durán	6	0	3			1	D Schwartzman	2	6	6
		P Heras	4	5					M Trungelliti	6	4	1
		M Trungelliti	6	7											1	D Schwartzman	6	6
		P Galdón	6	77												P Galdón	3	0
	WC	Mateo Martinez	3	65					P Galdón	6	62	6
		A Molteni	712	6					A Molteni	3	77	4
	7	F Argüello	610	2																		1	D Schwartzman	77	6
	3	A Kuznetsov	4	6	1																		J I Londero	65	3
		J I Londero	6	4	6				J I Londero	6	6
		Maximiliano Estévez	0	3				Q	F Bahamonde	1	4
	Q	Francisco Bahamonde	6	6												J I Londero	6	6
	Q	G Villanueva	2	1											5	F Bagnis	4	4
		K Mesaroš	6	6					K Mesaroš	3	2
	Q	Gabriel Hidalgo	1	6	5			5	F Bagnis	6	6
	5	F Bagnis	6	3	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	G Andreozzi	4	6	6
		C Garin	6	2	1			8	G Andreozzi	6	77
		G Lama	77	6					G Lama	4	63
	WC	P Cachin	61	3											8	G Andreozzi	6	4	6
		E Gómez	6	3	4											R Olivo	3	6	4
		R Olivo	3	6	6				R Olivo	6	6
	WC	T Lipovšek Puches	2	1				4	R Ramírez Hidalgo	3	2
	4	R Ramírez Hidalgo	6	6																		8	G Andreozzi	3	77	6
	6	M González	6	6																		6	M González	6	61	2
	WC	Facundo Alvo	4	3				6	M González	6	77
	Q	Joaquin Monteferrario	2	4					A Collarini	4	64
		A Collarini	6	6											6	M González	6	6
		S Travaglia	6	6											2	M Alund	2	1
	PR	Laurent Rochette	3	4					S Travaglia	4	79	2
		E Schwank	64	61				2	M Alund	6	67	6
	2	M Alund	77	77

References

• Main draw
• Qualifying draw