# 2012 Challenger Ciudad de Guayaquil – Singles

Matteo Viola was the defending champion but decided not to participate. Leonardo Mayer won the title after defeating Paolo Lorenzi 6–2, 6–4 in the final.

## Seeds

* Leonardo Mayer (champion)
* Paolo Lorenzi (final)
* Rubén Ramírez Hidalgo (semifinals)
* Guido Pella (quarterfinals)
* Martín Alund (semifinals)
* Wayne Odesnik (second round)
* Frederico Gil (second round)
* Teymuraz Gabashvili (first round)

## 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 |
| 1 | Leonardo Mayer | 6 | 7 | | | | | |
| 5 | Martín Alund | 2 | 5 | | | | | |
| 5 | Martín Alund | 2 | 5 | | 1 | Leonardo Mayer | 6 | 6 |
| | | | | | 2 | Paolo Lorenzi | 2 | 4 |
| 3 | Rubén Ramírez Hidalgo | 6$^4$ | 7$^{11}$ | 6$^2$ | 2 | Paolo Lorenzi | 2 | 4 |
| 2 | Paolo Lorenzi | 7$^7$ | 6$^9$ | 7$^7$ | | | | |

### 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 | L Mayer | 6 | 6 | | | | | | | | | | | | | | | |
| | C Saavedra-Corvalán | 4 | 2 | | 1 | L Mayer | 6 | 6 | | | | | | | | | | |
| WC | E Gómez | 6 | 6 | | WC | E Gómez | 3 | 3 | | | | | | | | | | |
| | R Olivo | 3 | 4 | | | | | | | 1 | L Mayer | 3 | 6 | 6 | | | | |
| Q | Franco Scaravilli | 2 | 3 | | | | | | | | P Sousa | 6 | 3 | 3 | | | | |
| | P Sousa | 6 | 6 | | | P Sousa | 6 | 6 | | | | | | | | | | |
| WC | Alejandro Jose Gomez Estrada | 1 | 0 | | 7 | F Gil | 1 | 1 | | | | | | | | | | |
| 7 | F Gil | 6 | 6 | | | | | | | | | | | | 1 | L Mayer | 6 | 7 |
| 4 | G Pella | 4 | 6 | 6 | | | | | | | | | | | 5 | M Alund | 2 | 5 |
| Q | S Galdós | 6 | 3 | 1 | 4 | G Pella | 6 | 6$^4$ | 6 | | | | | | | | | |
| | N Barrientos | 6$^6$ | 7$^7$ | 7 | | N Barrientos | 3 | 7$^7$ | 3 | | | | | | | | | |
| | A El Mihdawy | 7$^8$ | 6$^2$ | 5 | | | | | | 4 | G Pella | 5 | 3 | | | | | |
| | J Aguilar | 6 | 3 | 6$^5$ | | | | | | 5 | M Alund | 7 | 6 | | | | | |
| WC | D Beretta | 4 | 6 | 7$^7$ | WC | D Beretta | 0 | 3 | | | | | | | | | | |
| | C Salamanca | 3 | 4 | | 5 | M Alund | 6 | 6 | | | | | | | | | | |
| 5 | M Alund | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | W Odesnik | 6 | 6 | | | | | | | | | | | | | | | |
| | R Borvanov | 1 | 4 | | 6 | W Odesnik | 4 | 3 | | | | | | | | | | |
| WC | J-S Vivanco | 2 | 3 | | SE | JS Cabal | 6 | 6 | | | | | | | | | | |
| SE | JS Cabal | 6 | 6 | | | | | | SE | JS Cabal | 6 | 4 | 3 | | | | | |
| | Alexander Lobkov | 6$^4$ | 7$^7$ | 6 | | | | | 3 | R Ramírez Hidalgo | 3 | 6 | 6 | | | | | |
| | Maximiliano Estévez | 7$^7$ | 6$^4$ | 3 | | A Lobkov | 3 | 4 | | | | | | | | | | |
| | D Zivkovic | 6 | 3 | 3 | 3 | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | |
| 3 | R Ramírez Hidalgo | 3 | 6 | 6 | | | | | | | | | | 3 | R Ramírez Hidalgo | 6$^4$ | 7$^{11}$ | 6$^2$ |
| 8 | T Gabashvili | 6$^6$ | 6$^7$ | | | | | | | | | | | 2 | P Lorenzi | 7$^7$ | 6$^9$ | 7$^7$ |
| | A González | 7$^8$ | 7$^9$ | | | A González | 6 | 6 | | | | | | | | | | |
| Q | Mateo Nicolás Martínez | 6$^5$ | 5 | | Q | D Garza | 3 | 2 | | | | | | | | | | |
| Q | D Garza | 7$^7$ | 7 | | | | | | | A González | 6$^3$ | 6$^2$ | | | | | | |
| | F Bagnis | 6$^4$ | 7$^8$ | 6$^{10}$ | | | | | 2 | P Lorenzi | 7$^7$ | 7$^7$ | | | | | | |
| | M Trungelliti | 7$^7$ | 6$^6$ | 7$^{12}$ | | M Trungelliti | 2 | 2 | | | | | | | | | | |
| | JC Campozano | 2 | 6$^5$ | | 2 | P Lorenzi | 6 | 6 | | | | | | | | | | |
| 2 | P Lorenzi | 6 | 7$^7$ | | | | | | | | | | | | | | | |