# 2011 Cachantún Cup – Singles

Máximo González was the defending champion from the last edition of the tournament in 2009. He reached the final, where he defeated Éric Prodon 7–5, 0–6, 6–2.

## Seeds

* Horacio Zeballos (semifinals)
* Máximo González (champion)
* João Souza (second round)
* Éric Prodon (final)
* Diego Junqueira (quarterfinals, retired)
* Paul Capdeville (quarterfinals)
* Rogério Dutra da Silva (quarterfinals)
* 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 | Final | Final | Final | Final | Final |
| 1 | Horacio Zeballos | 0 | 1 | | | | | |
| 4 | Éric Prodon | 6 | 6 | | | | | |
| 4 | Éric Prodon | 6 | 6 | 4 | Éric Prodon | 5 | 6 | 2 |
| | | | | 2 | Máximo González | 7 | 0 | 6 |
| | Riccardo Ghedin | 2 | 4 | 2 | Máximo González | 7 | 0 | 6 |
| 2 | Máximo González | 6 | 6 | | | | | |

### Top 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 |
| 1 | H Zeballos | 3 | 6 | 7 | | | | | | | | | | | | |
| | JP Brzezicki | 6 | 3 | 6$^6$ | 1 | H Zeballos | 6 | 6 | | | | | | | | |
| WC | C Saavedra-Corvalán | 6 | 6 | | WC | C Saavedra-Corvalán | 4 | 1 | | | | | | | | |
| | C Salamanca | 2 | 4 | | | | | | 1 | H Zeballos | 7 | 6 | | | | |
| WC | Jorge Montero | 1 | 3 | | | | | | 6 | P Capdeville | 6$^3$ | 4 | | | | |
| | J Aguilar | 6 | 6 | | | J Aguilar | 5 | 3 | | | | | | | | |
| | F Bagnis | 4 | 6$^2$ | | 6 | P Capdeville | 7 | 6 | | | | | | | | |
| 6 | P Capdeville | 6 | 7 | | | | | | | | | | 1 | H Zeballos | 0 | 1 |
| 4 | É Prodon | 7 | 7 | | | | | | | | | | 4 | É Prodon | 6 | 6 |
| | R Hocevar | 5 | 6$^0$ | | 4 | É Prodon | 6 | 6 | | | | | | | | |
| Q | G Hormazábal | 3 | 5 | | WC | G Rivera-Aránguiz | 3 | 1 | | | | | | | | |
| WC | G Rivera-Aránguiz | 6 | 7 | | | | | | 4 | É Prodon | 7 | 6 | | | | |
| Q | J Pereira | 3 | 2 | | | | | | 7 | R Dutra da Silva | 5 | 4 | | | | |
| | M Trevisan | 6 | 6 | | | M Trevisan | 4 | 2 | | | | | | | | |
| | N Massú | 3 | 0 | r | 7 | R Dutra da Silva | 6 | 6 | | | | | | | | |
| 7 | R Dutra da Silva | 6 | 2 | | | | | | | | | | | | | |

### Bottom half

| 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 |
| 8 | F Škugor | 7 | 6 | | | | | | | | | | | | | |
| | C Zampieri | 6$^5$ | 3 | 8 | F Škugor | 6 | 6 | | | | | | | | | |
| Alt | P Galdón | 6 | 6 | Alt | P Galdón | 3 | 2 | | | | | | | | | |
| | Rafael Camilo | 4 | 4 | | | | | | 8 | F Škugor | 2 | 3 | | | | |
| WC | Juan Carlos Sáez | 0 | 4 | | | | | | | R Ghedin | 6 | 6 | | | | |
| | R Ghedin | 6 | 6 | | R Ghedin | 3 | 7 | 7 | | | | | | | | |
| PR | L Sorensen | 3 | 6$^4$ | 3 | J Souza | 6 | 6$^8$ | 6$^8$ | | | | | | | | |
| 3 | J Souza | 6 | 7 | | | | | | | | | | | R Ghedin | 2 | 4 |
| 5 | D Junqueira | 6 | 6 | | | | | | | | | | 2 | M González | 6 | 6 |
| Q | DS Schwartzman | 3 | 4 | 5 | D Junqueira | 4 | 7 | 6 | | | | | | | | |
| | J Silva | 3 | 1 | Q | Stefano Travaglia | 6 | 6$^8$ | 2 | | | | | | | | |
| Q | Stefano Travaglia | 6 | 6 | | | | | | 5 | D Junqueira | 6$^7$ | r | | | | |
| | J Acasuso | 7 | 7 | | | | | | 2 | M González | 7 | | | | | |
| | G Lapentti | 5 | 6$^1$ | | J Acasuso | 6 | 5 | 3 | | | | | | | | |
| | A Molteni | 2 | 4 | 2 | M González | 2 | 6 | 7 | | | | | | | | |
| 2 | M González | 6 | 6 | | | | | | | | | | | | | |