# 2012 Aberto de São Paulo – Singles

Ricardo Mello was the defending champion but decided not to participate. Thiago Alves won the title after defeating Gastão Elias 7–6$^{(7–5)}$, 7–6$^{(7–1)}$ in the final.

## Seeds

* Horacio Zeballos (quarterfinals)
* Rogério Dutra da Silva (semifinals)
* Júlio Silva (first round)
* Federico Delbonis (semifinals)
* Gastão Elias (final)
* Caio Zampieri (first round)
* Eduardo Struvay (first round)
* Juan Pablo Brzezicki (second round, retired)

## 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

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 5 | Gastão Elias | 3 | 7 | 7 | | | | |
| 4 | Federico Delbonis | 6 | 5 | 5 | | | | |
| 4 | Federico Delbonis | 6 | 5 | 5 | 5 | Gastão Elias | 6$^5$ | 6$^1$ |
| | | | | | | Thiago Alves | 7$^7$ | 7$^7$ |
| | Thiago Alves | 6 | 6 | | | Thiago Alves | 7$^7$ | 7$^7$ |
| 2 | Rogério Dutra da Silva | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | H Zeballos | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | J Pereira | 3 | 2 | | 1 | H Zeballos | 4 | 6 | 6 | | | | | | | | | | |
| | K Mesaroš | 0 | 6$^5$ | | | F de Paula | 6 | 3 | 4 | | | | | | | | | | |
| | F de Paula | 6 | 7$^7$ | | | | | | | 1 | H Zeballos | 4 | 6 | 5 | | | | | |
| WC | D Dutra da Silva | 3 | 4 | | | | | | | 5 | G Elias | 6 | 3 | 7 | | | | | |
| WC | L Kirche | 6 | 6 | | WC | L Kirche | 3 | 2 | | | | | | | | | | | |
| | D Beretta | 4 | 2 | | 5 | G Elias | 6 | 6 | | | | | | | | | | | |
| 5 | G Elias | 6 | 6 | | | | | | | | | | | | 5 | G Elias | 3 | 7 | 7 |
| 4 | F Delbonis | 6 | 6 | | | | | | | | | | | | 4 | F Delbonis | 6 | 5 | 5 |
| | G Clézar | 4 | 2 | | 4 | F Delbonis | 7 | 6 | | | | | | | | | | | |
| WC | T Monteiro | 3 | 2 | | | A Ghem | 5 | 4 | | | | | | | | | | | |
| | A Ghem | 6 | 6 | | | | | | | 4 | F Delbonis | 6 | 6 | | | | | | |
| WC | Henrique Cunha | 4 | 6 | 5 | | | | | | | J Kovalík | 3 | 0 | | | | | | |
| Q | A Laranja | 6 | 4 | 7 | Q | A Laranja | 5 | 6 | 6$^6$ | | | | | | | | | | |
| | J Kovalík | 6 | 5 | 6 | | J Kovalík | 7 | 4 | 7$^8$ | | | | | | | | | | |
| 6 | C Zampieri | 3 | 7 | 2 | | | | | | | | | | | | | | | |

### 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 | JP Brzezicki | 6 | 6 | | | | | | | | | | | | | | |
| | Nicolás Pastor | 1 | 4 | | 8 | JP Brzezicki | 4 | 0$^r$ | | | | | | | | | |
| | A Velotti | 6 | 6 | | | A Velotti | 6 | 3 | | | | | | | | | |
| | Tiago Lopes | 2 | 2 | | | | | | | | A Velotti | 2 | 3 | | | | |
| | M Trungelliti | 6$^5$ | 7$^9$ | 6 | | | | | | | T Alves | 6 | 6 | | | | |
| Q | M Estevez | 7$^7$ | 6$^7$ | 1 | | M Trungelliti | 5 | 4 | | | | | | | | | |
| | T Alves | 6 | 4 | 6 | | T Alves | 7 | 6 | | | | | | | | | |
| 3 | J Silva | 4 | 6 | 3 | | | | | | | | | | | T Alves | 6 | 6 |
| 7 | E Struvay | 6 | 4 | 6$^6$ | | | | | | | | | | 2 | R Dutra da Silva | 4 | 4 |
| | F Romboli | 2 | 6 | 7$^8$ | | F Romboli | 4 | 6 | 6 | | | | | | | | |
| Q | B Sant'anna | 6 | 6 | | Q | B Sant'anna | 6 | 3 | 4 | | | | | | | | |
| | N Devilder | 4 | 4 | | | | | | | | F Romboli | 2 | 1 | | | | |
| | M Linzer | 7 | 3 | 5 | | | | | | 2 | R Dutra da Silva | 6 | 6 | | | | |
| | R Hocevar | 5 | 6 | 7 | | R Hocevar | 4 | 6$^4$ | | | | | | | | | |
| | M Demoliner | 7$^7$ | 2 | 1 | 2 | R Dutra da Silva | 6 | 7 | | | | | | | | | |
| 2 | R Dutra da Silva | 6$^4$ | 6 | 6 | | | | | | | | | | | | | |