# 2015 Challenger ATP Cachantún Cup – Singles

Thiemo de Bakker was the defending champion, but did not participate.

## Seeds

* João Souza (withdrew)
* Alejandro González (semifinals)
* Máximo González (quarterfinals)
* Facundo Bagnis (champion)
* Horacio Zeballos (second round)
* Facundo Argüello (second round)
* Hans Podlipnik-Castillo (first round)
* Renzo Olivo (second 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 | Final |
| | Jordi Samper-Montaña | 6 | 2 | 4 | | | | | |
| 4 | Facundo Bagnis | 4 | 6 | 6 | | | | | |
| 4 | Facundo Bagnis | 4 | 6 | 6 | 4 | Facundo Bagnis | 6 | 5 | 6 |
| | | | | | | Guilherme Clezar | 2 | 7 | 2 |
| | Guilherme Clezar | 6 | 6 | | | Guilherme Clezar | 2 | 7 | 2 |
| 2 | Alejandro González | 1 | 1 | | | | | | |

### 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 |
| LL | Patricio Heras | 3 | 6 | 4 | | | | | | | | | | | | | | | |
| | J Samper-Montaña | 6 | 3 | 6 | | J Samper-Montaña | 6 | 6 | | | | | | | | | | | |
| | N Jarry | 4 | 6 | 6 | | N Jarry | 1 | 4 | | | | | | | | | | | |
| | R Dutra Silva | 6 | 3 | 1 | | | | | | | J Samper-Montaña | 6 | 6 | | | | | | |
| | P Cachin | 3 | 4 | | | | | | | | R Ramírez Hidalgo | 3 | 4 | | | | | | |
| | R Ramírez Hidalgo | 6 | 6 | | | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | |
| LL | R Hocevar | 4 | 6 | 4 | 8 | R Olivo | 2 | 3 | | | | | | | | | | | |
| 8 | R Olivo | 6 | 0 | 6 | | | | | | | | | | | | J Samper-Montaña | 6 | 2 | 4 |
| 4 | F Bagnis | 6 | 5 | 6 | | | | | | | | | | | 4 | F Bagnis | 4 | 6 | 6 |
| | G Lama | 3 | 7 | 2 | 4 | F Bagnis | 6 | 6 | | | | | | | | | | | |
| | C Garin | 4 | 4 | | WC | JC Sáez | 3 | 4 | | | | | | | | | | | |
| WC | JC Sáez | 6 | 6 | | | | | | | 4 | F Bagnis | 2 | 6 | 6 | | | | | |
| Q | C Zampieri | 7 | 6$^6$ | 7$^7$ | | | | | | Q | C Zampieri | 6 | 3 | 2 | | | | | |
| Q | A Collarini | 5 | 7$^8$ | 6$^4$ | Q | C Zampieri | 6 | 5 | 6 | | | | | | | | | | |
| WC | J Aguilar | 6$^5$ | 4 | | 5 | H Zeballos | 4 | 7 | 4 | | | | | | | | | | |
| 5 | H Zeballos | 7$^7$ | 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 |
| 6 | F Argüello | 6 | 6 | | | | | | | | | | | | | | | |
| | G Pella | 2 | 3 | | 6 | F Argüello | 3 | 3 | | | | | | | | | | |
| | G Clezar | 6 | 6 | | | G Clezar | 6 | 6 | | | | | | | | | | |
| | J Hernández | 4 | 2 | | | | | | | | G Clezar | 6 | 6 | | | | | |
| | G Lapentti | 6 | 6 | | | | | | | 3 | M González | 4 | 2 | | | | | |
| | A Molteni | 3 | 2 | | | G Lapentti | 3 | 7 | 4 | | | | | | | | | |
| Q | T Monteiro | 3 | 6 | 4 | 3 | M González | 6 | 5 | 6 | | | | | | | | | |
| 3 | M González | 6 | 4 | 6 | | | | | | | | | | | | G Clezar | 6 | 6 |
| 7 | H Podlipnik-Castillo | 3 | 2 | | | | | | | | | | | | 2 | A González | 1 | 1 |
| | S Robert | 6 | 6 | | | S Robert | 1 | 2 | | | | | | | | | | |
| | JI Londero | 6 | 6 | | | JI Londero | 6 | 6 | | | | | | | | | | |
| Q | G Quinzi | 4 | 4 | | | | | | | | JI Londero | 6 | 6$^3$ | 2 | | | | |
| WC | Bastián Malla | 7$^8$ | 6$^8$ | 6 | | | | | | 2 | A González | 1 | 7$^7$ | 6 | | | | |
| WC | G Rivera-Aránguiz | 6$^6$ | 7$^{10}$ | 2 | WC | B Malla | 4 | 2 | | | | | | | | | | |
| | F de Paula | 4 | 4 | | 2 | A González | 6 | 6 | | | | | | | | | | |
| 2 | A González | 6 | 6 | | | | | | | | | | | | | | | |