# 2017 Quito Challenger – Singles

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

* Víctor Estrella Burgos (semifinals)
* Renzo Olivo (first round)
* Nicolás Jarry (champion)
* Sebastian Ofner (first round)
* Gerald Melzer (final)
* Andrej Martin (quarterfinals)
* Guilherme Clezar (quarterfinals)
* Prajnesh Gunneswaran (first round)

## 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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Víctor Estrella Burgos | 6 | 6$^4$ | 3 | | | | |
| 3 | Nicolás Jarry | 4 | 7$^7$ | 6 | | | | |
| 3 | Nicolás Jarry | 4 | 7$^7$ | 6 | 3 | Nicolás Jarry | 6 | 6 |
| | | | | | 5 | Gerald Melzer | 3 | 2 |
| 5 | Gerald Melzer | 7$^7$ | 6 | | 5 | Gerald Melzer | 3 | 2 |
| | Facundo Mena | 6$^4$ | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | V Estrella Burgos | 6 | 3 | 6 | | | | | | | | | | | | | | | |
| | J Statham | 4 | 6 | 3 | 1 | V Estrella Burgos | 7$^7$ | 6 | | | | | | | | | | | |
| | B Sant'Anna | 1 | 1 | | | G Escobar | 6$^5$ | 3 | | | | | | | | | | | |
| | G Escobar | 6 | 6 | | | | | | | 1 | V Estrella Burgos | 7$^8$ | 7 | | | | | | |
| Alt | C Rodríguez | 6$^5$ | 3 | | | | | | | 6 | A Martin | 6$^6$ | 5 | | | | | | |
| WC | E Gómez | 7$^7$ | 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 | 6$^4$ | 3 |
| 3 | N Jarry | 6 | 6 | | | | | | | | | | | | 3 | N Jarry | 4 | 7$^7$ | 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 | 7$^7$ | 6 | | | | | |
| | R Quiroz | 4 | 6 | 6 | | | | | | 7 | G Clezar | 6 | 6$^4$ | 4 | | | | | |
| WC | D Hidalgo | 6 | 4 | 4 | | R Quiroz | 3 | 7$^7$ | 2 | | | | | | | | | | |
| Q | C Salamanca | 7$^7$ | 6$^2$ | 0$^r$ | 7 | G Clezar | 6 | 6$^3$ | 6 | | | | | | | | | | |
| 7 | G Clezar | 6$^5$ | 7$^7$ | 3 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | G Melzer | 6 | 6 | | | | | | | | | | | | | | | |
| Q | JP Varillas | 4 | 2 | | 5 | G Melzer | 7$^{13}$ | 6 | | | | | | | | | | |
| | M Linzer | 7$^7$ | 4 | 6 | | M Linzer | 6$^{11}$ | 3 | | | | | | | | | | |
| | A Velotti | 6$^2$ | 6 | 3 | | | | | | 5 | G Melzer | 6 | 6 | | | | | |
| | C Lindell | 5 | 0$^r$ | | | | | | | | M Hamou | 2 | 4 | | | | | |
| | M Hamou | 7 | 0 | | | M Hamou | 7$^7$ | 4 | 7 | | | | | | | | | |
| | DE Galán | 6 | 5 | 6 | | DE Galán | 6$^4$ | 6 | 5 | | | | | | | | | |
| 4 | S Ofner | 4 | 7 | 4 | | | | | | | | | | | 5 | G Melzer | 7$^7$ | 6 |
| 8 | P Gunneswaran | 3 | 7 | 4 | | | | | | | | | | | | F Mena | 6$^4$ | 4 |
| | M Arévalo | 6 | 5 | 6 | | M Arévalo | 6$^3$ | 3 | | | | | | | | | | |
| | F Mena | 6 | 6 | | | F Mena | 7$^7$ | 6 | | | | | | | | | | |
| | JI Londero | 4 | 2 | | | | | | | | F Mena | 3 | 6 | 7$^7$ | | | | |
| Q | P Sakamoto | 7$^9$ | 3 | 4 | | | | | | WC | G Lama | 6 | 2 | 6$^2$ | | | | |
| WC | G Lama | 6$^7$ | 6 | 6 | WC | G Lama | 6 | 5 | | | | | | | | | | |
| | R Bellotti | 7$^8$ | 4 | 6 | | R Bellotti | 1 | 4$^r$ | | | | | | | | | | |
| 2/WC | R Olivo | 6$^6$ | 6 | 4 | | | | | | | | | | | | | | |