# 2011 Manta Open – Singles

Go Soeda was the defending champion, but decided not to participate.
Brian Dabul won the title, defeating Facundo Argüello 6–1, 6–3 in the final.

## Seeds

* Izak van der Merwe (first round)
* Rogério Dutra da Silva (semifinals)
* Carlos Salamanca (withdrew due to left shoulder injury)
* Brian Dabul (champion)
* Víctor Estrella (first round)
* Sebastián Decoud (first round)
* Fernando Romboli (first round)
* Facundo Argüello (final)

## 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 |
| | Riccardo Ghedin | 3 | 4 | | | | | |
| 8 | Facundo Argüello | 6 | 6 | | | | | |
| 8 | Facundo Argüello | 6 | 6 | | 8 | Facundo Argüello | 1 | 3 |
| | | | | | 4 | Brian Dabul | 6 | 6 |
| 4 | Brian Dabul | 0 | 6 | 6 | 4 | Brian Dabul | 6 | 6 |
| 2 | Rogério Dutra da Silva | 6 | 4 | 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 | I van der Merwe | 1 | 1 | | | | | | | | | | | | | | |
| | R Ghedin | 6 | 6 | | | R Ghedin | 7$^7$ | 7$^7$ | | | | | | | | | |
| | T Fernandes | 4 | 6 | 6 | | T Fernandes | 6$^3$ | 6$^2$ | | | | | | | | | |
| Q | JS Gómez | 6 | 1 | 2 | | | | | | | R Ghedin | 6 | 6 | | | | |
| | Diego Schwartzman | 4 | 6 | 3 | | | | | | Q | I Endara | 4 | 2 | | | | |
| Q | I Endara | 6 | 4 | 6 | Q | I Endara | 6 | 6 | | | | | | | | | |
| | M Felder | 2 | 6 | 6 | | M Felder | 4 | 3 | | | | | | | | | |
| 6 | S Decoud | 6 | 4 | 3 | | | | | | | | | | | R Ghedin | 3 | 4 |
| LL | M Echazú | 3 | 4 | | | | | | | | | | | 8 | F Argüello | 6 | 6 |
| Q | N Barrientos | 6 | 6 | | Q | N Barrientos | 2 | 4 | | | | | | | | | |
| | R Klaasen | 3 | 7$^7$ | 6 | | R Klaasen | 6 | 6 | | | | | | | | | |
| | E Struvay | 6 | 6$^4$ | 1 | | | | | | | R Klaasen | 4 | 4 | | | | |
| | R Hocevar | 7$^7$ | 2 | 7$^7$ | | | | | | 8 | F Argüello | 6 | 6 | | | | |
| | M Marrai | 6$^5$ | 6 | 6$^2$ | | R Hocevar | 6$^4$ | 7 | 2 | | | | | | | | |
| WC | Galo Barrezueta | 2 | 0 | | 8 | F Argüello | 7$^7$ | 5 | 6 | | | | | | | | |
| 8 | F Argüello | 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 |
| 7 | F Romboli | 0 | 6 | 6$^1$ | | | | | | | | | | | | | |
| | D Dutra da Silva | 6 | 2 | 7$^7$ | | D Dutra da Silva | 2 | 2 | | | | | | | | | |
| WC | D Hidalgo | 4 | 4 | | | JC Campozano | 6 | 6 | | | | | | | | | |
| | JC Campozano | 6 | 6 | | | | | | | JC Campozano | 2 | 5 | | | | | |
| Q | E Gómez | 2 | 2 | | | | | | 4 | B Dabul | 6 | 7 | | | | | |
| | K Kim | 6 | 6 | | | K Kim | 3 | 1$^r$ | | | | | | | | | |
| | T Matsui | 2 | 4 | | 4 | B Dabul | 6 | 0 | | | | | | | | | |
| 4 | B Dabul | 6 | 6 | | | | | | | | | | 4 | B Dabul | 0 | 6 | 6 |
| 5 | V Estrella | 6$^2$ | 7$^7$ | 1 | | | | | | | | | 2 | R Dutra da Silva | 6 | 4 | 4 |
| | G Rivera-Aránguiz | 7$^7$ | 6$^5$ | 6 | | G Rivera-Aránguiz | 6 | 6 | | | | | | | | | |
| | Guillermo Durán | 6 | 4 | 6$^3$ | | A González | 2 | 1 | | | | | | | | | |
| | A González | 2 | 6 | 7$^7$ | | | | | | G Rivera-Aránguiz | 1 | 2 | | | | | |
| | D Garza | 6 | 6 | | | | | | 2 | R Dutra da Silva | 6 | 6 | | | | | |
| WC | R Quiroz | 3 | 2 | | | D Garza | 4 | 1 | | | | | | | | | |
| | Joseph Correa | 0 | 0 | | 2 | R Dutra da Silva | 6 | 6 | | | | | | | | | |
| 2 | R Dutra da Silva | 6 | 6 | | | | | | | | | | | | | | |