# 2017 Santiago Challenger – Singles

Máximo González was the defending champion but lost in the first round to Facundo Bagnis.
Nicolás Jarry won the title after defeating Marcelo Arévalo 6–1, 7–5 in the final.

## Seeds

* Rogério Dutra Silva (semifinals)
* Nicolás Jarry (champion)
* Carlos Berlocq (quarterfinals)
* Gastão Elias (quarterfinals)
* Thiago Monteiro (semifinals)
* Facundo Bagnis (second round)
* Attila Balázs (first round)
* Marcelo Arévalo (final)

## 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 | Final | Final | Final | Final |
| 1 | Rogério Dutra Silva | 3 | 2 | | | | |
| 8 | Marcelo Arévalo | 6 | 6 | | | | |
| 8 | Marcelo Arévalo | 6 | 6 | 8 | Marcelo Arévalo | 1 | 5 |
| | | | | 2 | Nicolás Jarry | 6 | 7 |
| 5 | Thiago Monteiro | 2 | 2 | 2 | Nicolás Jarry | 6 | 7 |
| 2 | Nicolás Jarry | 6 | 6 | | | | |

### Top half

| 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 |
| 1 | R Dutra Silva | 6 | 6 | | | | | | | | | | | | | | |
| | JP Ficovich | 3 | 4 | 1 | R Dutra Silva | 6 | 2 | 6 | | | | | | | | | |
| Q | P Sakamoto | 1 | 2 | | JI Londero | 3 | 6 | 2 | | | | | | | | | |
| | JI Londero | 6 | 6 | | | | | | 1 | R Dutra Silva | 6 | 6 | | | | | |
| Q | Patricio Heras | 7$^7$ | 6 | | | | | | Q | P Heras | 4 | 4 | | | | | |
| WC | JC Sáez | 6$^3$ | 4 | Q | P Heras | 6 | 5 | 6 | | | | | | | | | |
| | M González | 6$^5$ | 0 | 6 | F Bagnis | 4 | 7 | 3 | | | | | | | | | |
| 6 | F Bagnis | 7$^7$ | 6 | | | | | | | | | | | 1 | R Dutra Silva | 3 | 2 |
| 4 | G Elias | 7$^7$ | 6 | | | | | | | | | | | 8 | M Arévalo | 6 | 6 |
| | J Munar | 6$^5$ | 0 | 4 | G Elias | 6$^7$ | 6 | 7 | | | | | | | | | |
| | A Collarini | 3 | 1 | | P Cachin | 7$^9$ | 4 | 5 | | | | | | | | | |
| | P Cachin | 6 | 6 | | | | | | 4 | G Elias | 6$^4$ | 6 | 4 | | | | |
| | B Rola | 4 | 6$^5$ | | | | | | 8 | M Arévalo | 7$^7$ | 3 | 6 | | | | |
| | G Oliveira | 6 | 7$^7$ | | G Oliveira | 4 | 6 | 5 | | | | | | | | | |
| | F Argüello | 2 | 1 | 8 | M Arévalo | 6 | 4 | 7 | | | | | | | | | |
| 8 | M Arévalo | 6 | 6 | | | | | | | | | | | | | | |

### 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 | T Monteiro | 5 | 6 | 6 | | | | | | | | | | | | | | |
| | J Martí | 7 | 4 | 3 | 5 | T Monteiro | 5 | 7$^7$ | 6 | | | | | | | | | |
| Q | R Carballés Baena | 6 | 7 | | Q | R Carballés Baena | 7 | 6$^2$ | 2 | | | | | | | | | |
| | J Souza | 4 | 5 | | | | | | | 5 | T Monteiro | 6 | 0 | 6 | | | | |
| WC | J Hernández-Fernández | 6 | 6 | | | | | | | 3 | C Berlocq | 3 | 6 | 4 | | | | |
| WC | Javier Naser | 1 | 1 | | WC | J Hernández-Fernández | 1 | 4 | | | | | | | | | | |
| Q | D Kuzmanov | 3 | 0 | | 3 | C Berlocq | 6 | 6 | | | | | | | | | | |
| 3 | C Berlocq | 6 | 6 | | | | | | | | | | | | 5 | T Monteiro | 2 | 2 |
| 7 | A Balázs | 4 | 2 | | | | | | | | | | | | 2 | N Jarry | 6 | 6 |
| | JP Sorgi | 6 | 6 | | | JP Sorgi | 3 | 6 | 3 | | | | | | | | | |
| | DE Galán | 0 | 6 | 2 | | DE Galán | 6 | 4 | 6 | | | | | | | | | |
| | M Linzer | 6 | 2 | 0$^r$ | | | | | | | DE Galán | 4 | 2 | | | | | |
| | G Clezar | 4 | 6 | 3 | | | | | | 2 | N Jarry | 6 | 6 | | | | | |
| WC | G Lama | 6 | 2 | 6 | WC | G Lama | 6$^5$ | 2 | | | | | | | | | | |
| | F Coria | 4 | 4 | | 2 | N Jarry | 7$^7$ | 6 | | | | | | | | | | |
| 2 | N Jarry | 6 | 6 | | | | | | | | | | | | | | | |