# 2016 San Luis Open Challenger Tour – Singles

Guido Pella was the defending champion, but chose not to defend his title.
Peđa Krstin won the title, defeating Marcelo Arévalo 6–4, 6–2 in the final.

## Seeds

* Michael Berrer (first round)
* Albert Montañés (semifinals)
* André Ghem (quarterfinals)
* Adrián Menéndez Maceiras (first round)
* Matteo Donati (second round)
* Mathias Bourgue (second round)
* Hans Podlipnik (quarterfinals)
* James McGee (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 | Final |
| | Federico Gaio | 1 | 4 | | | | |
| Q | Marcelo Arévalo | 6 | 6 | | | | |
| Q | Marcelo Arévalo | 6 | 6 | Q | Marcelo Arévalo | 4 | 2 |
| | | | | | Peđa Krstin | 6 | 6 |
| | Peđa Krstin | 6 | 6 | | Peđa Krstin | 6 | 6 |
| 2 | Albert Montañés | 2 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Berrer | 3 | 7$^7$ | 5 | | | | | | | | | | | | | |
| | F Gaio | 6 | 6$^5$ | 7 | | F Gaio | 6 | 6 | | | | | | | | | |
| | N Milojević | 6 | 6 | | | N Milojević | 3 | 1 | | | | | | | | | |
| | O Roca Batalla | 4 | 3 | | | | | | | | F Gaio | 6 | 6 | | | | |
| WC | M Sánchez | 3 | 2 | | | | | | | 7 | H Podlipnik | 4 | 1 | | | | |
| | J Samper Montaña | 6 | 6 | | | J Samper Montaña | 3 | 4 | | | | | | | | | |
| | J Jung | 4 | 0 | | 7 | H Podlipnik | 6 | 6 | | | | | | | | | |
| 7 | H Podlipnik | 6 | 6 | | | | | | | | | | | | F Gaio | 1 | 4 |
| 3 | A Ghem | 7 | 7$^7$ | | | | | | | | | | | Q | M Arévalo | 6 | 6 |
| | D Novak | 5 | 6$^2$ | | 3 | A Ghem | 6 | 6 | | | | | | | | | |
| WC | L Gómez | 6 | 6 | | WC | L Gómez | 3 | 2 | | | | | | | | | |
| | D Popko | 2 | 0 | | | | | | | 3 | A Ghem | 3 | 6$^5$ | | | | |
| Q | M Arévalo | 6 | 6 | | | | | | | Q | M Arévalo | 6 | 7$^7$ | | | | |
| WC | Mauricio Astorga | 2 | 3 | | Q | M Arévalo | 6$^1$ | 6 | 6 | | | | | | | | |
| | D Nguyen | 4 | 4 | | 5 | M Donati | 7$^7$ | 4 | 3 | | | | | | | | |
| 5 | M Donati | 6 | 6 | | | | | | | | | | | | | | |

### Bottom 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 |
| 6 | M Bourgue | 5 | 6 | 6 | | | | | | | | | | | | | |
| Alt | N Barrientos | 7 | 2 | 0 | 6 | M Bourgue | 3 | 4 | | | | | | | | | |
| | P Krstin | 6 | 6 | | | P Krstin | 6 | 6 | | | | | | | | | |
| WC | T Hank | 3 | 4 | | | | | | | P Krstin | 7$^7$ | 6 | | | | | |
| Q | Robin Staněk | 6 | 6 | | | | | | Q | C Zampieri | 6$^4$ | 3 | | | | | |
| | R Ramírez Hidalgo | 3 | 4 | | Q | R Staněk | 3 | 1 | | | | | | | | | |
| Q | C Zampieri | 6 | 1 | 7 | Q | C Zampieri | 6 | 6 | | | | | | | | | |
| 4 | A Menéndez Maceiras | 1 | 6 | 5 | | | | | | | | | | | P Krstin | 6 | 6 |
| 8 | J McGee | 4 | 2 | | | | | | | | | | | 2 | A Montañés | 2 | 4 |
| | M Safwat | 6 | 6 | | | M Safwat | 7$^9$ | 6 | | | | | | | | | |
| | G Lapentti | 4 | 3 | | | L Giustino | 6$^7$ | 4 | | | | | | | | | |
| | L Giustino | 6 | 6 | | | | | | | M Safwat | 6 | 2 | 6$^5$ | | | | |
| Q | A Velotti | 5 | 6 | 0 | | | | | 2 | A Montañés | 4 | 6 | 7$^7$ | | | | |
| | L Djere | 7 | 3 | 6 | | L Djere | 5 | 6$^5$ | | | | | | | | | |
| | P Cachin | 7 | 3 | 6$^5$ | 2 | A Montañés | 7 | 7$^7$ | | | | | | | | | |
| 2 | A Montañés | 5 | 6 | 7$^7$ | | | | | | | | | | | | | |