Singles
2013 San Luis Open Challenger
Champion	Alessio di Mauro
Runner-up	Daniel Kosakowski
Score	4–6, 6–3, 6–2

Rubén Ramírez Hidalgo was the defending champion, but chose not to compete.
Alessio di Mauro defeated Daniel Kosakowski 4–6, 6–3, 6–2 in the final to win the title.

Seeds

Draw

Finals

	Semifinals							Final
		Daniel Kosakowski	6	6
	4	Marco Chiudinelli	3	4
									Daniel Kosakowski	6	3	2
								Q	Alessio di Mauro	4	6	6
		Tennys Sandgren	6	4	2
	Q	Alessio di Mauro	3	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Millman	6	6
	WC	M Sánchez	1	0				1	J Millman	4	6	5
		D Kosakowski	6	4	7				D Kosakowski	6	0	7
		M Reid	3	6	5											D Kosakowski	w/o
	Q	C Díaz Figueroa	6	6											8	A Velotti
	WC	M Gallardo Valles	2	3				Q	C Díaz Figueroa	63	4
		D Lojda	6	3	5			8	A Velotti	77	6
	8	A Velotti	2	6	7																		D Kosakowski	6	6
	4	M Chiudinelli	4																			4	M Chiudinelli	3	4
		N Basilashvili	4r					4	M Chiudinelli	6	78
		G Jones	6	6					G Jones	3	66
		R Ghedin	3	2											4	M Chiudinelli	6	2	6
	Alt	A Menéndez Maceiras	78	5	6										6	P Gojowczyk	4	6	1
	WC	N Massú	66	7	4			Alt	A Menéndez Maceiras	6	68	5
		M Demoliner	78	3	3			6	P Gojowczyk	1	710	7
	6	P Gojowczyk	66	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	A Martin	3	3
		T Sandgren	6	6					T Sandgren	2	713	6
		S Vagnozzi	6	4	5				T Fabbiano	6	611	2
		T Fabbiano	4	6	7											T Sandgren	6	77
		P Torebko	6	77												M Teixeira	0	64
	WC	D Garza	3	60					P Torebko	3	6	4
		M Teixeira	77	2	6				M Teixeira	6	2	6
	3	DS Schwartzman	64	6	3																		T Sandgren	6	4	2
	5	M Jaziri	6	6																		Q	A di Mauro	3	6	6
	Q	R Gonzales	4	4				5	M Jaziri	2	63
	Q	A di Mauro	6	6				Q	A di Mauro	6	77
		N Langer	1	4											Q	A di Mauro	6	6
		G Burquier	6	2	6											G Burquier	2	1
		Florian Reynet	2	6	1				G Burquier	6	4	6
	Q	M Arévalo	5	3				2	J Dasnières de Veigy	0	6	0
	2	J Dasnières de Veigy	7	6

References

• Main draw
• Qualifying draw