# 2012 Campeonato Internacional de Tenis de Santos – Singles

João Souza is the defending champion, but lost in the first round to Facundo Argüello. Ivo Minář won the title by defeating Ricardo Hocevar 4–6, 6–1, 6–4 in the final.

## Seeds

* João Souza (first round)
* Blaž Kavčič (first round)
* Paul Capdeville (first round)
* Diego Junqueira (quarterfinals)
* Rogério Dutra da Silva (quarterfinals)
* Ricardo Mello (first round)
* Thiago Alves (first round)
* Máximo González (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 | Final |
| Q | Ricardo Hocevar | 6 | 5 | 6 | | | | | |
| | Martín Alund | 4 | 7 | 1 | | | | | |
| | Martín Alund | 4 | 7 | 1 | Q | Ricardo Hocevar | 6 | 1 | 4 |
| | | | | | | Ivo Minář | 4 | 6 | 6 |
| | Ivo Minář | 6 | 7 | | | Ivo Minář | 4 | 6 | 6 |
| Q | Marco Trungelliti | 2 | 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/WC | J Souza | 6$^8$ | 1 | | | | | | | | | | | | | | | | |
| | F Argüello | 7$^{10}$ | 6 | | | F Argüello | 2 | 3 | | | | | | | | | | | |
| | M Reid | 3 | 5 | | Q | R Hocevar | 6 | 6 | | | | | | | | | | | |
| Q | R Hocevar | 6 | 7 | | | | | | | Q | R Hocevar | 2 | 6 | 6 | | | | | |
| | G Elias | 4 | 7 | 6 | | | | | | | J Silva | 6 | 3 | 4 | | | | | |
| | G Clezar | 6 | 5 | 2 | | G Elias | 6$^5$ | 4 | | | | | | | | | | | |
| | J Silva | 2 | 6 | 6 | | J Silva | 7$^7$ | 6 | | | | | | | | | | | |
| 6 | R Mello | 6 | 3 | 4 | | | | | | | | | | | Q | R Hocevar | 6 | 5 | 6 |
| 4 | D Junqueira | 6$^3$ | 7$^7$ | 6 | | | | | | | | | | | | M Alund | 4 | 7 | 1 |
| | P Galdón | 7$^7$ | 6$^3$ | 1 | 4 | D Junqueira | 6$^4$ | 6 | 7 | | | | | | | | | | |
| WC | Felipe Soares | 6 | 6$^8$ | 1 | SE | A Velotti | 7$^7$ | 2 | 5 | | | | | | | | | | |
| SE | A Velotti | 1 | 7$^{10}$ | 6 | | | | | | 4 | D Junqueira | 7 | 1 | 6$^5$ | | | | | |
| | D Giorgini | 6$^4$ | 6 | 3 | | | | | | | M Alund | 5 | 6 | 7$^7$ | | | | | |
| | M Alund | 7$^7$ | 3 | 6 | | M Alund | 6 | 7 | | | | | | | | | | | |
| | G Pella | 6 | 7 | | | G Pella | 3 | 5 | | | | | | | | | | | |
| 7 | T Alves | 4 | 5 | | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 8 | M González | 3 | 6 | 7 | | | | | | | | | | | | | | |
| SE | A Brizzi | 6 | 3 | 5 | 8 | M González | 4 | 6 | 6 | | | | | | | | | |
| | N Ćirić | 6$^6$ | 6 | 6$^7$ | WC | JP Sorgi | 6 | 3 | 3 | | | | | | | | | |
| WC | JP Sorgi | 7$^8$ | 2 | 7$^9$ | | | | | | 8 | M González | 2 | 3 | | | | | |
| | I Minář | 6 | 7 | | | | | | | | I Minář | 6 | 6 | | | | | |
| | M Crugnola | 3 | 5 | | | I Minář | 6 | 6 | | | | | | | | | | |
| | M Felder | 7 | 6$^1$ | 6 | | M Felder | 3 | 3 | | | | | | | | | | |
| 3 | P Capdeville | 5 | 7$^7$ | 3 | | | | | | | | | | | | I Minář | 6 | 7 |
| 5 | R Dutra da Silva | 6 | 6 | | | | | | | | | | | | Q | M Trungelliti | 2 | 5 |
| WC | Enrique Bogo | 0 | 0 | | 5 | R Dutra da Silva | 6 | 6 | | | | | | | | | | |
| | Enrico Burzi | 4 | 5 | | Q | G Andreozzi | 3 | 1 | | | | | | | | | | |
| Q | G Andreozzi | 6 | 7 | | | | | | | 5 | R Dutra da Silva | 2 | 7$^5$ | 3 | | | | |
| Q | M Trungelliti | 7 | 4 | 6 | | | | | | Q | M Trungelliti | 6 | 6$^5$ | 6 | | | | |
| | J Duckworth | 5 | 6 | 4 | Q | M Trungelliti | 0 | 6 | 6 | | | | | | | | | |
| Q | D Džumhur | 6 | 4 | 6 | Q | D Džumhur | 6 | 1 | 1 | | | | | | | | | |
| 2 | B Kavčič | 4 | 6 | 4 | | | | | | | | | | | | | | |