# 2012 Challenger ATP de Salinas Diario Expreso – Singles

Andrés Molteni was the defending champion, but he lost in the first round. Guido Pella won the title, defeating Paolo Lorenzi 1–6, 7–5, 6–3 in the final.

## Seeds

* Daniel Gimeno-Traver (first round)
* Paolo Lorenzi (final)
* Horacio Zeballos (quarterfinals)
* Augustin Gensse (quarterfinals)
* Guillaume Rufin (first round, retired due to a right hand injury)
* Iván Navarro (quarterfinals)
* Víctor Estrella (semifinals)
* Martín Alund (semifinals)

## 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 | Final |
| | Guido Pella | 6 | 6 | | | | | |
| 7 | Víctor Estrella | 2 | 2 | | | | | |
| 7 | Víctor Estrella | 2 | 2 | | Guido Pella | 1 | 7 | 6 |
| | | | | 2 | Paolo Lorenzi | 6 | 5 | 3 |
| 8 | Martín Alund | 6$^5$ | 2 | 2 | Paolo Lorenzi | 6 | 5 | 3 |
| 2 | Paolo Lorenzi | 7$^7$ | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Gimeno-Traver | 3 | 3 | | | | | | | | | | | | | | |
| | Diego Sebastián Schwartzman | 6 | 6 | | | DS Schwartzman | 6 | 2 | 2 | | | | | | | | |
| | Marco Trungelliti | 4 | 6 | 7 | | M Trungelliti | 2 | 6 | 6 | | | | | | | | |
| | G Rivera-Aránguiz | 6 | 4 | 5 | | | | | | | M Trungelliti | 5 | 4 | | | | |
| WC | JC Campozano | 2 | 3 | | | | | | | | G Pella | 7 | 6 | | | | |
| | Michael Linzer | 6 | 6 | | | M Linzer | 7 | 3 | 3 | | | | | | | | |
| | G Pella | 4 | 7$^7$ | 3 | | G Pella | 5 | 6 | 6 | | | | | | | | |
| 5 | G Rufin | 6 | 6$^5$ | 2$^r$ | | | | | | | | | | | G Pella | 6 | 6 |
| 3 | H Zeballos | 6 | 6 | | | | | | | | | | | 7 | V Estrella | 2 | 2 |
| WC | D Hidalgo | 2 | 2 | | 3 | H Zeballos | 7$^7$ | 2 | 6 | | | | | | | | |
| | C Salamanca | 6 | 6 | | | C Salamanca | 6$^5$ | 6 | 3 | | | | | | | | |
| Q | K Kim | 3 | 2 | | | | | | | 3 | H Zeballos | 6$^2$ | 6$^5$ | | | | |
| | A González | 6$^2$ | 6 | 6 | | | | | | 7 | V Estrella | 7$^7$ | 7$^7$ | | | | |
| Q | I Endara | 7$^7$ | 4 | 1 | | A González | 0 | 6 | 0 | | | | | | | | |
| | G Melzer | 7$^7$ | 6$^5$ | 3 | 7 | V Estrella | 6 | 4 | 6 | | | | | | | | |
| 7 | V Estrella | 6$^4$ | 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 |
| 8 | M Alund | 3 | 6 | 6 | | | | | | | | | | | | | | |
| | A Molteni | 6 | 3 | 4 | 8 | M Alund | 6 | 7$^7$ | | | | | | | | | | |
| WC | Juan Carvajal | 2 | 0 | | Q | G Durán | 0 | 6$^0$ | | | | | | | | | | |
| Q | Guillermo Durán | 6 | 6 | | | | | | | 8 | M Alund | 6$^4$ | 6 | 6 | | | | |
| | D Giorgini | 6 | 4 | | | | | | | 4 | A Gensse | 7$^7$ | 3 | 1 | | | | |
| | K Krawietz | 2 | 1$^r$ | | | D Giorgini | 5 | 7$^7$ | 2 | | | | | | | | | |
| | G Hormazábal | 3 | 6$^6$ | | 4 | A Gensse | 7 | 6$^1$ | 6 | | | | | | | | | |
| 4 | A Gensse | 6 | 7$^8$ | | | | | | | | | | | | 8 | M Alund | 6$^5$ | 2 |
| 6 | I Navarro | 6 | 7$^7$ | | | | | | | | | | | | 2 | P Lorenzi | 7$^7$ | 6 |
| | M Felder | 3 | 6$^2$ | | 6 | I Navarro | 6 | 6 | | | | | | | | | | |
| | C Saavedra-Corvalán | 6 | 6 | | | C Saavedra-Corvalán | 2 | 1 | | | | | | | | | | |
| | R Borvanov | 1 | 3 | | | | | | | 6 | I Navarro | 3 | 5 | | | | | |
| Q | Maximiliano Estévez | 1 | 1 | | | | | | | 2 | P Lorenzi | 6 | 7 | | | | | |
| | J Eysseric | 6 | 6 | | | J Eysseric | 5 | 6$^5$ | | | | | | | | | | |
| WC | J-S Vivanco | 0 | 2 | | 2 | P Lorenzi | 7 | 7$^7$ | | | | | | | | | | |
| 2 | P Lorenzi | 6 | 6 | | | | | | | | | | | | | | | |