Singles
2015 San Luis Open Challenger Tour
Final
Champion	Guido Pella
Runner-up	James McGee
Score	6–3, 6–3
Events
Singles Doubles
← 2014 · San Luis Open Challenger Tour · 2016 →

Paolo Lorenzi was the defending champion, but lost in the semifinals.

Guido Pella won the title, defeating James McGee in the final, 6–3, 6–3.

	Semifinals							Final
		Guido Pella	6	6
	4	James Duckworth	3	3
									Guido Pella	6	6
									James McGee	3	3
		James McGee	6	5	6
	2	Paolo Lorenzi	3	7	3

	First round							Second round							Quarterfinals							Semifinals
	1	T Gabashvili	3	6	6
	WC	Mauricio Astorga	6	2	3			1	T Gabashvili	68	6	77
		H Podlipnik Castillo	6	6					H Podlipnik Castillo	710	3	65
	Q	E Struvay	1	4											1	T Gabashvili	6	4	3
		G Pella	6	6												G Pella	2	6	6
	WC	D Garza	3	4					G Pella	77	7
		N Langer	3	3				7	A Krajicek	63	5
	7	A Krajicek	6	6																			G Pella	6	6
	4	J Duckworth	3	6	6																	4	J Duckworth	3	3
		M Arévalo	6	3	2			4	J Duckworth	77	6
	Q	I Endara	6	6				Q	I Endara	65	4
	Q	JS Gómez	3	4											4	J Duckworth	6	6
	WC	M Sánchez	77	77											6	A Menéndez Maceiras	1	4
		G Escobar	65	65				WC	M Sánchez	4	4
		F de Paula	2	1				6	A Menéndez Maceiras	6	6
	6	A Menéndez Maceiras	6	6

	First round							Second round							Quarterfinals							Semifinals
	LL	G Lapentti	6	7
		C Buchanan	0	5				LL	G Lapentti	6	4	1
		R Olivo	65	6	1			Alt	A Molteni	1	6	6
	Alt	A Molteni	77	4	6										Alt	A Molteni	1	4
		Connor Smith	2	5												J McGee	6	6
		G Clezar	6	7					G Clezar	3	6	64
		J McGee	7	6					J McGee	6	2	77
	3	D Džumhur	5	3																			J McGee	6	5	6
	8	H Zeballos	77	5	63																	2	P Lorenzi	3	7	3
		JI Londero	63	7	77				JI Londero	3	6	77
		B Klein	1	710	1			Q	C Zampieri	6	4	64
	Q	C Zampieri	6	68	6											JI Londero	4	4
	WC	T Hank	6	3	4										2	P Lorenzi	6	6
		G Melzer	4	6	6				G Melzer	2	6	5
		D Novikov	4	1				2	P Lorenzi	6	4	7
	2	P Lorenzi	6	6

• Main draw
• Qualifying draw