# 2017 San Luis Open Challenger Tour – Singles

Peđa Krstin was the defending champion but lost in the first round to Caio Zampieri.
Andrej Martin won the title after defeating Adrián Menéndez Maceiras 7–5, 6–4 in the final.

## Seeds

* Facundo Bagnis (quarterfinals)
* Gerald Melzer (quarterfinals)
* Stefan Kozlov (first round)
* João Souza (second round)
* Andrej Martin (champion)
* Mohamed Safwat (first round)
* Marcelo Arévalo (quarterfinals)
* Adrián Menéndez Maceiras (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 |
| 5 | Andrej Martin | 6 | 6 | | | | |
| | Andrea Arnaboldi | 4 | 3 | | | | |
| | Andrea Arnaboldi | 4 | 3 | 5 | Andrej Martin | 7 | 6 |
| | | | | 8 | Adrián Menéndez Maceiras | 5 | 4 |
| WC | Miomir Kecmanović | 3 | 4 | 8 | Adrián Menéndez Maceiras | 5 | 4 |
| 8 | Adrián Menéndez Maceiras | 6 | 6 | | | | |

### 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 |
| 1/WC | F Bagnis | 7$^8$ | 6 | | | | | | | | | | | | | | | |
| | M Zekić | 6$^6$ | 4 | | 1/WC | F Bagnis | 6 | 4 | 6 | | | | | | | | | |
| | JI Londero | 6 | 6 | | | JI Londero | 3 | 6 | 3 | | | | | | | | | |
| Q | M Felder | 3 | 3 | | | | | | | 1/WC | F Bagnis | 6 | 6$^2$ | 6$^6$ | | | | |
| | T Lipovšek Puches | 3 | 0 | | | | | | | 5 | A Martin | 2 | 7$^7$ | 7$^8$ | | | | |
| | A Velotti | 6 | 6 | | | A Velotti | 2 | 1 | | | | | | | | | | |
| | I Endara | 4 | 6 | 1 | 5 | A Martin | 6 | 6 | | | | | | | | | | |
| 5 | A Martin | 6 | 3 | 6 | | | | | | | | | | | 5 | A Martin | 6 | 6 |
| 4 | J Souza | 6 | 7$^7$ | | | | | | | | | | | | | A Arnaboldi | 4 | 3 |
| LL | L Margaroli | 1 | 6$^2$ | | 4 | J Souza | 4 | 2 | | | | | | | | | | |
| Q | R Cid Subervi | 1 | 2 | | | R Quiroz | 6 | 6 | | | | | | | | | | |
| | R Quiroz | 6 | 6 | | | | | | | | R Quiroz | 6$^2$ | 4 | | | | | |
| | A Ghem | 2 | 7 | 1 | | | | | | | A Arnaboldi | 7$^7$ | 6 | | | | | |
| | A Arnaboldi | 6 | 5 | 6 | | A Arnaboldi | 6 | 6 | | | | | | | | | | |
| WC | M Sánchez | 4 | 7$^7$ | 6 | WC | M Sánchez | 2 | 4 | | | | | | | | | | |
| 6 | M Safwat | 6 | 6$^5$ | 4 | | | | | | | | | | | | | | |

### Bottom 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 |
| 7 | M Arévalo | 6 | 6 | | | | | | | | | | | | | | |
| Q | Carlos de la Peña | 3 | 3 | 7 | M Arévalo | 6 | 6 | | | | | | | | | | |
| WC | T Hank | 3 | 2 | | F Coria | 1 | 4 | | | | | | | | | | |
| | F Coria | 6 | 6 | | | | | | 7 | M Arévalo | 4 | 3 | | | | | |
| | DE Galán | 4 | 4 | | | | | | WC | M Kecmanović | 6 | 6 | | | | | |
| | E Gómez | 6 | 6 | | E Gómez | 1 | 6 | 3 | | | | | | | | | |
| WC | M Kecmanović | 6 | 7 | WC | M Kecmanović | 6 | 4 | 6 | | | | | | | | | |
| 3 | S Kozlov | 2 | 5 | | | | | | | | | | | WC | M Kecmanović | 3 | 4 |
| 8 | A Menéndez Maceiras | 6 | 7$^9$ | | | | | | | | | | | 8 | A Menéndez Maceiras | 6 | 6 |
| | JP Sorgi | 2 | 6$^7$ | 8 | A Menéndez Maceiras | 6 | 6 | | | | | | | | | | |
| | A El Mihdawy | 1$^r$ | | | E King | 1 | 2 | | | | | | | | | | |
| | E King | 5 | | | | | | | 8 | A Menéndez Maceiras | 2 | 6 | 6 | | | | |
| | C Zampieri | 6 | 7$^7$ | | | | | | 2 | G Melzer | 6 | 4 | 4 | | | | |
| | P Krstin | 2 | 6$^1$ | | C Zampieri | 3 | 4 | | | | | | | | | | |
| Q | F Argüello | 2 | 2 | 2 | G Melzer | 6 | 6 | | | | | | | | | | |
| 2 | G Melzer | 6 | 6 | | | | | | | | | | | | | | |