Singles
2017 Quito Challenger
Champion	Nicolás Jarry
Runner-up	Gerald Melzer
Score	6–3, 6–2

Horacio Zeballos was the defending champion but chose not to defend his title.

Nicolás Jarry won the title after defeating Gerald Melzer 6–3, 6–2 in the final.

Seeds

Draw

Finals

	Semifinals							Final
	1	Víctor Estrella Burgos	6	64	3
	3	Nicolás Jarry	4	77	6
								3	Nicolás Jarry	6	6
								5	Gerald Melzer	3	2
	5	Gerald Melzer	77	6
		Facundo Mena	64	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	V Estrella Burgos	6	3	6
		J Statham	4	6	3			1	V Estrella Burgos	77	6
		B Sant'Anna	1	1					G Escobar	65	3
		G Escobar	6	6											1	V Estrella Burgos	78	7
	Alt	C Rodríguez	65	3											6	A Martin	66	5
	WC	E Gómez	77	6				WC	E Gómez	3	5
	Q	M Sánchez	2	2				6	A Martin	6	7
	6	A Martin	6	6																		1	V Estrella Burgos	6	64	3
	3	N Jarry	6	6																		3	N Jarry	4	77	6
		JP Paz	4	3				3	N Jarry	6	6
		JP Sorgi	6	3	6				JP Sorgi	4	4
		JP Ficovich	3	6	3										3	N Jarry	4	77	6
		R Quiroz	4	6	6										7	G Clezar	6	64	4
	WC	D Hidalgo	6	4	4				R Quiroz	3	77	2
	Q	C Salamanca	77	62	0r			7	G Clezar	6	63	6
	7	G Clezar	65	77	3

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	G Melzer	6	6
	Q	JP Varillas	4	2				5	G Melzer	713	6
		M Linzer	77	4	6				M Linzer	611	3
		A Velotti	62	6	3										5	G Melzer	6	6
		C Lindell	5	0r												M Hamou	2	4
		M Hamou	7	0					M Hamou	77	4	7
		DE Galán	6	5	6				DE Galán	64	6	5
	4	S Ofner	4	7	4																	5	G Melzer	77	6
	8	P Gunneswaran	3	7	4																		F Mena	64	4
		M Arévalo	6	5	6				M Arévalo	63	3
		F Mena	6	6					F Mena	77	6
		JI Londero	4	2												F Mena	3	6	77
	Q	P Sakamoto	79	3	4										WC	G Lama	6	2	62
	WC	G Lama	67	6	6			WC	G Lama	6	5
		R Bellotti	78	4	6				R Bellotti	1	4r
	2/WC	R Olivo	66	6	4

References

• Main Draw
• Qualifying Draw