# 2013 Aberto de São Paulo – Singles

Thiago Alves is the defending champion but lost in the quarterfinals to Gastão Elias. Horacio Zeballos defeated Rogério Dutra da Silva 7–6$^{(7–5)}$, 6–2 in the final to win the title.

## Seeds

* Horacio Zeballos (champion)
* Martín Alund (quarterfinals)
* Rogério Dutra da Silva (final)
* Thiago Alves (quarterfinals)
* Federico Delbonis (second round)
* Gastão Elias (semifinals)
* João Souza (semifinals)
* Guido Andreozzi (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 | Horacio Zeballos | 6 | 4 | 7 | | | | |
| 6 | Gastão Elias | 3 | 6 | 5 | | | | |
| 6 | Gastão Elias | 3 | 6 | 5 | 1 | Horacio Zeballos | 7$^7$ | 6 |
| | | | | | 3 | Rogério Dutra da Silva | 6$^5$ | 2 |
| 3 | Rogério Dutra da Silva | 7 | 6$^6$ | 7$^7$ | 3 | Rogério Dutra da Silva | 6$^5$ | 2 |
| 7 | João Souza | 5 | 7$^8$ | 6$^5$ | | | | |

### 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 | H Zeballos | 7 | 7$^7$ | | | | | | | | | | | | | | | | |
| Q | A Krajicek | 5 | 6$^5$ | | 1 | H Zeballos | 7$^7$ | 4 | 6 | | | | | | | | | | |
| WC | Tiago Lopes | 5 | 2 | | Q | A Ghem | 6$^2$ | 6 | 3 | | | | | | | | | | |
| Q | A Ghem | 7 | 6 | | | | | | | 1 | H Zeballos | 7$^7$ | 4 | 6 | | | | | |
| | L Kirche | 3 | 6 | 4 | | | | | | 8 | G Andreozzi | 6$^4$ | 6 | 2 | | | | | |
| Q | F Škugor | 6 | 3 | 6 | Q | F Škugor | 7$^9$ | 2 | 6$^4$ | | | | | | | | | | |
| WC | Rafael Camilo | 1 | 2 | | 8 | G Andreozzi | 6$^7$ | 6 | 7$^7$ | | | | | | | | | | |
| 8 | G Andreozzi | 6 | 6 | | | | | | | | | | | | 1 | H Zeballos | 6 | 4 | 7 |
| 4 | T Alves | 7$^8$ | 4 | 4 | | | | | | | | | | | 6 | G Elias | 3 | 6 | 5 |
| | A González | 6$^6$ | 6 | 0$^r$ | 4 | T Alves | 4 | 6 | 6 | | | | | | | | | | |
| | M Demoliner | 6 | 6 | | | M Demoliner | 6 | 3 | 1 | | | | | | | | | | |
| | D Schwartzman | 2 | 3 | | | | | | | 4 | T Alves | 4 | 3 | | | | | | |
| WC | T Monteiro | 4 | 4 | | | | | | | 6 | G Elias | 6 | 6 | | | | | | |
| | G Clezar | 6 | 6 | | | G Clezar | 6 | 2 | 3 | | | | | | | | | | |
| | F Bagnis | 5 | 1 | | 6 | G Elias | 4 | 6 | 6 | | | | | | | | | | |
| 6 | G Elias | 7 | 6 | | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 5 | F Delbonis | 6 | 6 | | | | | | | | | | | | | | | |
| | R Hocevar | 3 | 1 | | 5 | F Delbonis | 3 | 7$^7$ | 3 | | | | | | | | | |
| | R Olivo | 2 | 0 | | | JC Campozano | 6 | 6$^5$ | 6 | | | | | | | | | |
| | JC Campozano | 6 | 6 | | | | | | | | JC Campozano | 4 | 1 | | | | | |
| | J Aguilar | 5 | 3 | | | | | | | 3 | R Dutra da Silva | 6 | 6 | | | | | |
| Q | D Britton | 7 | 6 | | Q | D Britton | 6$^5$ | 6$^5$ | | | | | | | | | | |
| | R de Voest | 6$^6$ | 4 | | 3 | R Dutra da Silva | 7$^7$ | 7$^7$ | | | | | | | | | | |
| 3 | R Dutra da Silva | 7$^8$ | 6 | | | | | | | | | | | 3 | R Dutra da Silva | 7 | 6$^6$ | 7$^7$ |
| 7 | J Souza | 6 | 7 | | | | | | | | | | | 7 | J Souza | 5 | 7$^8$ | 6$^5$ |
| WC | D Dutra da Silva | 1 | 5 | | 7 | J Souza | 6 | 6 | | | | | | | | | | |
| | P Sousa | 4 | 6 | 6 | | P Sousa | 3 | 2 | | | | | | | | | | |
| | M Trungelliti | 6 | 4 | 3 | | | | | | 7 | J Souza | 6 | 6 | | | | | |
| | Maximiliano Estévez | 5 | 1 | | | | | | | 2 | M Alund | 4 | 4 | | | | | |
| | R Mello | 7 | 6 | | | R Mello | 6 | 3 | 6$^3$ | | | | | | | | | |
| | F de Paula | 3 | 4 | | 2 | M Alund | 3 | 6 | 7$^7$ | | | | | | | | | |
| 2 | M Alund | 6 | 6 | | | | | | | | | | | | | | | |