# 2011 Challenger ATP de Salinas Diario Expreso – Singles

Brian Dabul was the defending champion and 1st seed, however he lost to the eventual champion Andrés Molteni. Molteni defeated Horacio Zeballos 7–5, 7–6(4) in the final. It was the first challenger title of his career.

## Seeds

* Brian Dabul (second round)
* Horacio Zeballos (final)
* João Souza (first round)
* Éric Prodon (first round)
* Federico del Bonis (quarterfinals)
* Diego Junqueira (semifinals)
* Rogério Dutra da Silva (semifinals)
* Franko Škugor (quarterfinals)

## 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 |
| | Andrés Molteni | 2 | 6 | 6 | | | | |
| 7 | Rogério Dutra da Silva | 6 | 4 | 4 | | | | |
| 7 | Rogério Dutra da Silva | 6 | 4 | 4 | | Andrés Molteni | 7 | 7 |
| | | | | | 2 | Horacio Zeballos | 5 | 6$^4$ |
| 6 | Diego Junqueira | 4 | 7 | 4 | 2 | Horacio Zeballos | 5 | 6$^4$ |
| 2 | Horacio Zeballos | 6 | 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 | Semifinals |
| 1/Alt | B Dabul | 4 | 7 | 6 | | | | | | | | | | | | | | | |
| | Rafael Camilo | 6 | 5 | 1 | 1/Alt | B Dabul | 6 | 4 | 1$^r$ | | | | | | | | | | |
| | A Molteni | 6 | 3 | 6 | | A Molteni | 4 | 6 | 4 | | | | | | | | | | |
| | R Ghedin | 3 | 6 | 3 | | | | | | | A Molteni | 7 | 2 | 6 | | | | | |
| Q | S Travaglia | 6 | 6 | | | | | | | 5 | F del Bonis | 6$^5$ | 6 | 4 | | | | | |
| WC | Arturo Altamirano | 0 | 0 | | Q | S Travaglia | 6$^3$ | 1 | | | | | | | | | | | |
| Q | DS Schwartzman | 0 | 2 | | 5 | F del Bonis | 7 | 6 | | | | | | | | | | | |
| 5 | F del Bonis | 6 | 6 | | | | | | | | | | | | | A Molteni | 2 | 6 | 6 |
| 4 | É Prodon | 4 | 2 | | | | | | | | | | | | 7 | R Dutra da Silva | 6 | 4 | 4 |
| | JP Brzezicki | 6 | 6 | | | JP Brzezicki | 6 | 6 | | | | | | | | | | | |
| Q | JC Campozano | 6 | 6 | | Q | JC Campozano | 4 | 3 | | | | | | | | | | | |
| WC | M Demoliner | 4 | 2 | | | | | | | | JP Brzezicki | 6 | 5 | 4 | | | | | |
| | G Lapentti | 7 | 6$^8$ | 7 | | | | | | 7 | R Dutra da Silva | 2 | 7 | 6 | | | | | |
| | J Silva | 6$^5$ | 7 | 6$^0$ | | G Lapentti | 2 | 6 | 3 | | | | | | | | | | |
| Q | L Sorensen | 6 | 1 | 4 | 7 | R Dutra da Silva | 6 | 3 | 6 | | | | | | | | | | |
| 7 | R Dutra da Silva | 3 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | D Junqueira | 6 | 6 | | | | | | | | | | | | | | |
| WC | M Sborowitz | 4 | 2 | | 6 | D Junqueira | 6 | 6 | | | | | | | | | |
| | J Acasuso | 6 | 6 | | | J Acasuso | 1 | 3 | | | | | | | | | |
| | R Hocevar | 4 | 3 | | | | | | 6 | D Junqueira | 6 | 6 | | | | | |
| | P Galdón | 6 | 2 | | | | | | | F Bagnis | 1 | 4 | | | | | |
| Alt | F Argüello | 4 | 0 | r | | P Galdón | 4 | 6$^3$ | | | | | | | | | |
| | F Bagnis | 6 | 6 | | | F Bagnis | 6 | 7 | | | | | | | | | |
| 3 | J Souza | 3 | 1 | | | | | | | | | | 6 | D Junqueira | 4 | 7 | 4 |
| 8 | F Škugor | 6 | 6 | | | | | | | | | | 2 | H Zeballos | 6 | 6$^5$ | 6 |
| | S Decoud | 3 | 4 | | 8 | F Škugor | 6 | 6 | | | | | | | | | |
| | C Zampieri | 6 | 6 | | | C Zampieri | 0 | 2 | | | | | | | | | |
| | M Vassallo Argüello | 3 | 4 | | | | | | 8 | F Škugor | 3 | 4 | | | | | |
| | J Dasnières de Veigy | 6 | 7 | | | | | | 2 | H Zeballos | 6 | 6 | | | | | |
| | K Kim | 1 | 5 | | | J Dasnières de Veigy | 3 | 6$^5$ | | | | | | | | | |
| WC | E Nunez | 3 | 6 | 6$^5$ | 2 | H Zeballos | 6 | 7 | | | | | | | | | |
| 2 | H Zeballos | 6 | 3 | 7 | | | | | | | | | | | | | |