# 2017 Lima Challenger – Singles

Christian Garín was the defending champion but lost in the second round to Gastão Elias.
Gerald Melzer won the title after defeating Jozef Kovalík 7–5, 7–6$^{(7–4)}$ in the final.

## Seeds

* Federico Delbonis (first round)
* Víctor Estrella Burgos (first round)
* Nicolás Kicker (semifinals)
* Roberto Carballés Baena (second round)
* Marco Cecchinato (semifinals)
* Carlos Berlocq (first round)
* Gastão Elias (quarterfinals)
* Casper Ruud (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 | Final | Final | Final |
| | Jozef Kovalík | 6 | 6 | | | |
| 5 | Marco Cecchinato | 2 | 1 | | | |
| 5 | Marco Cecchinato | 2 | 1 | Jozef Kovalík | 5 | 6$^4$ |
| | | | | Gerald Melzer | 7 | 7$^7$ |
| 3 | Nicolás Kicker | 2 | 3 | Gerald Melzer | 7 | 7$^7$ |
| | Gerald Melzer | 6 | 6 | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | F Delbonis | 2 | 1 | | | | | | | | | | | | | | |
| | A Martin | 6 | 6 | | | A Martin | 6 | 6 | | | | | | | | | |
| | M González | 5 | 2 | | PR | D Muñoz de la Nava | 4 | 2 | | | | | | | | | |
| PR | D Muñoz de la Nava | 7 | 6 | | | | | | | A Martin | 7 | 5 | 1$^r$ | | | | |
| | Í Cervantes | 4 | 7$^7$ | 4 | | | | | | J Kovalík | 5 | 7 | 5 | | | | |
| | J Kovalík | 6 | 6$^4$ | 6 | | J Kovalík | 6 | 6 | | | | | | | | | |
| | R Ojeda Lara | 6 | 2 | 6 | | R Ojeda Lara | 3 | 0 | | | | | | | | | |
| 6 | C Berlocq | 4 | 6 | 2 | | | | | | | | | | | J Kovalík | 6 | 6 |
| 4 | R Carballés Baena | 6 | 6 | | | | | | | | | | | 5 | M Cecchinato | 2 | 1 |
| | R Olivo | 2 | 1 | | 4 | R Carballés Baena | 6$^6$ | 3 | | | | | | | | | |
| | M Arévalo | 6$^2$ | 7 | 4 | Q | D Kuzmanov | 7$^8$ | 6 | | | | | | | | | |
| Q | D Kuzmanov | 7$^7$ | 5 | 6 | | | | | Q | D Kuzmanov | 6$^3$ | 3 | | | | | |
| WC | E Gómez | 1 | 3 | | | | | | 5 | M Cecchinato | 7$^7$ | 6 | | | | | |
| WC | N Álvarez | 6 | 6 | | WC | N Álvarez | 3 | 2 | | | | | | | | | |
| WC | JP Varillas | 4 | 4 | | 5 | M Cecchinato | 6 | 6 | | | | | | | | | |
| 5 | M Cecchinato | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | G Elias | 6 | 6 | | | | | | | | | | | | | | |
| | G Oliveira | 1 | 3 | | 7 | G Elias | 4 | 6 | 6 | | | | | | | | |
| | C Garín | 6$^4$ | 6 | 6 | | C Garín | 6 | 3 | 2 | | | | | | | | |
| Q | R Quiroz | 7$^7$ | 4 | 4 | | | | | | 7 | G Elias | 5 | 1 | | | | |
| Q | B Rola | 7$^7$ | 6 | | | | | | | 3 | N Kicker | 7 | 6 | | | | |
| | G Clezar | 6$^4$ | 0 | | Q | B Rola | 4 | 7 | 2 | | | | | | | | |
| | J Domingues | 0 | 1 | | 3 | N Kicker | 6 | 5 | 6 | | | | | | | | |
| 3 | N Kicker | 6 | 6 | | | | | | | | | | | 3 | N Kicker | 2 | 3 |
| 8 | C Ruud | 5 | 3 | | | | | | | | | | | | G Melzer | 6 | 6 |
| Q | J Hernández-Fernández | 7 | 6 | | Q | J Hernández-Fernández | 4 | 0 | | | | | | | | | |
| | C Taberner | 4 | 4 | | | G Melzer | 6 | 6 | | | | | | | | | |
| | G Melzer | 6 | 6 | | | | | | | | G Melzer | 6 | 6 | | | | |
| | J Munar | 6 | 6 | | | | | | | | F Bagnis | 3 | 4 | | | | |
| WC | M Echazú | 1 | 4 | | | J Munar | 1 | 7$^{11}$ | 4 | | | | | | | | |
| | F Bagnis | 6 | 4 | 7 | | F Bagnis | 6 | 6$^9$ | 6 | | | | | | | | |
| 2 | V Estrella Burgos | 2 | 6 | 5 | | | | | | | | | | | | | |