# 2012 Manta Open – Singles

Brian Dabul was the defending champion, but decided not to participate. Guido Pella won the title, defeating Maximiliano Estévez 6–4, 7–5 in the final.

## Seeds

* João Souza (quarterfinals)
* Guido Pella (champion)
* Víctor Estrella (quarterfinals)
* Guido Andreozzi (second round)
* Agustín Velotti (second round)
* Carlos Salamanca (second round)
* Júlio César Campozano (quarterfinals)
* Facundo Argüello (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 | Semifinals | Final | Final | Final | Final |
| | Jorge Aguilar | 6$^3$ | 6 | 0 | | | | |
| | Maximiliano Estévez | 7$^7$ | 4 | 6 | | | | |
| | Maximiliano Estévez | 7$^7$ | 4 | 6 | | Maximiliano Estévez | 4 | 5 |
| | | | | | 2 | Guido Pella | 6 | 7 |
| 8 | Facundo Argüello | 5 | 3 | | 2 | Guido Pella | 6 | 7 |
| 2 | Guido Pella | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1/WC | J Souza | 6 | 6 | | | | | | | | | | | | | | | |
| Q | Y Ito | 4 | 4 | | 1/WC | J Souza | 6$^5$ | 7$^8$ | 7 | | | | | | | | | |
| WC | R Quiroz | 7$^7$ | 6 | | WC | R Quiroz | 7$^7$ | 6$^6$ | 5 | | | | | | | | | |
| | N Barrientos | 6$^4$ | 4 | | | | | | | 1/WC | J Souza | 6 | 3 | 2 | | | | |
| | J Aguilar | 6 | 5 | 6 | | | | | | | J Aguilar | 4 | 6 | 6 | | | | |
| | D Beretta | 1 | 7 | 1 | | J Aguilar | 6 | 3 | 6 | | | | | | | | | |
| | F Romboli | 6 | 5 | 2 | 5 | A Velotti | 3 | 6 | 0 | | | | | | | | | |
| 5 | A Velotti | 4 | 7 | 6 | | | | | | | | | | | J Aguilar | 6$^3$ | 6 | 0 |
| 4 | G Andreozzi | 6 | 7$^8$ | | | | | | | | | | | | M Estévez | 7$^7$ | 4 | 6 |
| | C Díaz Figueroa | 4 | 6$^6$ | | 4 | G Andreozzi | 1 | 6 | 3 | | | | | | | | | |
| Q | I Endara | 4 | 2 | | | M Estévez | 6 | 2 | 6 | | | | | | | | | |
| | M Estévez | 6 | 6 | | | | | | | | M Estévez | 3 | 6 | 6 | | | | |
| | A Molteni | 3 | 4 | | | | | | | | G Jones | 6 | 3 | 4 | | | | |
| | G Jones | 6 | 6 | | | G Jones | 3 | 6 | 6 | | | | | | | | | |
| WC | Galo Barrezueta | 0$^r$ | | | 6 | C Salamanca | 6 | 4 | 4 | | | | | | | | | |
| 6 | C Salamanca | 4 | | | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | F Argüello | 1 | 6 | 6 | | | | | | | | | | | | | |
| | Guillermo Duran | 6 | 1 | 0 | 8 | F Argüello | 3 | 6 | 7 | | | | | | | | |
| | A Collarini | 6 | 7$^7$ | | | A Collarini | 6 | 0 | 5 | | | | | | | | |
| Q | E Gomez | 1 | 6$^5$ | | | | | | | 8 | F Argüello | 7$^7$ | 6 | | | | |
| | G Rivera Aránguiz | 6 | 6 | | | | | | | 3 | V Estrella | 6$^3$ | 2 | | | | |
| WC | D Hidalgo | 2 | 4 | | | G Rivera Aránguiz | 2 | 2 | | | | | | | | | |
| | F de Paula | 1 | 3 | | 3 | V Estrella | 6 | 6 | | | | | | | | | |
| 3 | V Estrella | 6 | 6 | | | | | | | | | | | 8 | F Argüello | 5 | 3 |
| 7 | JC Campozano | 6 | 6 | | | | | | | | | | | 2 | G Pella | 7 | 6 |
| | D Schwartzman | 3 | 2 | | 7 | JC Campozano | 6 | 6 | | | | | | | | | |
| | D Garza | 6 | 6 | | | D Garza | 4 | 2 | | | | | | | | | |
| | R Hocevar | 1 | 4 | | | | | | | 7 | JC Campozano | 4 | 6$^3$ | | | | |
| Q | Greg Ouellette | 6 | 6 | | | | | | | 2 | G Pella | 6 | 7$^7$ | | | | |
| | B Sant'Anna | 3 | 4 | | Q | Greg Ouellette | 1 | 1 | | | | | | | | | |
| | R Olivo | 6 | 2 | 5 | 2 | G Pella | 6 | 6 | | | | | | | | | |
| 2 | G Pella | 2 | 6 | 7 | | | | | | | | | | | | | |