# 2013 Challenger Ciudad de Guayaquil – Singles

Leonardo Mayer defended his title over Portuguese Pedro Sousa 6–4, 7–5.

## Seeds

* Leonardo Mayer (champion)
* Paolo Lorenzi (first round)
* Diego Sebastián Schwartzman (first round)
* Wayne Odesnik (second round)
* Paul Capdeville (second round)
* Gastão Elias (first round)
* Máximo González (second round)
* Víctor Estrella Burgos (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 |
| 1 | Leonardo Mayer | 6 | 3 | 6 | | | | |
| | Gianluigi Quinzi | 3 | 6 | 1 | | | | |
| | Gianluigi Quinzi | 3 | 6 | 1 | 1 | Leonardo Mayer | 6 | 7 |
| | | | | | | Pedro Sousa | 4 | 5 |
| | Pedro Sousa | 6 | 6 | | | Pedro Sousa | 4 | 5 |
| | David Souto | 3 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | L Mayer | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | W Koolhof | 4 | 2 | | 1 | L Mayer | 7$^7$ | 6 | | | | | | | | | | | |
| Q | M Cuevas | 6 | 4 | 7 | Q | M Cuevas | 6$^5$ | 2 | | | | | | | | | | | |
| | N Barrientos | 3 | 6 | 5 | | | | | | 1 | L Mayer | 6 | 6 | | | | | | |
| | E Gómez | 6 | 6 | | | | | | | | E Gómez | 2 | 4 | | | | | | |
| | M Estévez | 1 | 4 | | | E Gómez | 6 | 6 | | | | | | | | | | | |
| Q | N Kicker | 6 | 4 | 4 | 7 | M González | 0 | 1 | | | | | | | | | | | |
| 7 | M González | 3 | 6 | 6 | | | | | | | | | | | 1 | L Mayer | 6 | 3 | 6 |
| 4 | W Odesnik | 7 | 6 | | | | | | | | | | | | | G Quinzi | 3 | 6 | 1 |
| | I Endara | 5 | 1 | | 4 | W Odesnik | 6$^4$ | 6 | 4 | | | | | | | | | | |
| WC | G Escobar | 2 | 6$^5$ | | | M Linzer | 7$^7$ | 1 | 6 | | | | | | | | | | |
| | M Linzer | 6 | 7$^7$ | | | | | | | | M Linzer | 2 | 6 | 2 | | | | | |
| | Gabriel Alejandro Hidalgo | 4 | 4 | | | | | | | | G Quinzi | 6 | 3 | 6 | | | | | |
| | H Dellien | 6 | 6 | | | H Dellien | 1 | 2 | | | | | | | | | | | |
| | G Quinzi | 6 | 6 | | | G Quinzi | 6 | 6 | | | | | | | | | | | |
| 6 | G Elias | 2 | 0 | | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 8 | V Estrella Burgos | 6 | 6 | | | | | | | | | | | | | | |
| | R Rodriguez | 4 | 2 | | 8 | V Estrella Burgos | 6 | 6 | | | | | | | | | |
| | F Neis | 2 | 6 | 2 | Q | G Durán | 4 | 3 | | | | | | | | | |
| Q | G Durán | 6 | 2 | 6 | | | | | | 8 | V Estrella Burgos | 6$^4$ | 4 | | | | |
| WC | R Quiroz | 6 | 6 | | | | | | | | P Sousa | 7$^7$ | 6 | | | | |
| WC | Jorman Reyes | 3 | 2 | | WC | R Quiroz | 4 | 6 | 6$^6$ | | | | | | | | |
| | P Sousa | 6 | 5 | 7 | | P Sousa | 6 | 4 | 7$^8$ | | | | | | | | |
| 3 | DS Schwartzman | 2 | 7 | 5 | | | | | | | | | | | P Sousa | 6 | 6 |
| 5 | P Capdeville | 6 | 6 | | | | | | | | | | | | D Souto | 3 | 4 |
| | G Lama | 4 | 3 | | 5 | P Capdeville | 2 | 3 | | | | | | | | | |
| | P Galdón | 3 | 1 | | | D Souto | 6 | 6 | | | | | | | | | |
| | D Souto | 6 | 6 | | | | | | | | D Souto | 7$^7$ | 4 | 6 | | | |
| | JC Campozano | 0 | 1 | | | | | | | WC | G Lapentti | 6$^1$ | 6 | 3 | | | |
| WC | G Lapentti | 6 | 6 | | WC | G Lapentti | 4 | 6 | 5 | | | | | | | | |
| | JI Londero | 6$^2$ | 6 | 7$^7$ | | JI Londero | 6 | 2 | 1$^r$ | | | | | | | | |
| 2 | P Lorenzi | 7$^7$ | 4 | 6$^3$ | | | | | | | | | | | | | |