# 2013 Campeonato Internacional de Tenis de Santos – Singles

Ivo Minář was the defending champion but decided not to participate. Gastão Elias won the title by defeating Rogério Dutra da Silva 4–6, 6–2, 6–0 in the final.

## Seeds

* Rogério Dutra da Silva (final)
* João Souza (quarterfinals)
* Matteo Viola (first round)
* Gastão Elias (champion)
* Antonio Veić (quarterfinals)
* Paul Capdeville (second round)
* Malek Jaziri (quarterfinals)
* Guido Andreozzi (semifinals)

## 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 |
| 1 | Rogério Dutra da Silva | 7 | 3 | 6 | | | | | |
| | Guilherme Clezar | 5 | 6 | 3 | | | | | |
| | Guilherme Clezar | 5 | 6 | 3 | 1 | Rogério Dutra da Silva | 6 | 2 | 0 |
| | | | | | 4 | Gastão Elias | 4 | 6 | 6 |
| 4 | Gastão Elias | 2 | 6 | 6 | 4 | Gastão Elias | 4 | 6 | 6 |
| 8 | Guido Andreozzi | 6 | 4 | 2 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Dutra da Silva | 3 | 6 | 6 | | | | | | | | | | | | | | |
| Q | R Machado | 6 | 4 | 1 | 1 | R Dutra da Silva | 6 | 6 | | | | | | | | | | |
| Q | M González | 7 | 6$^5$ | 6 | Q | M González | 3 | 3 | | | | | | | | | | |
| SE | J Kovalík | 5 | 7$^7$ | 3 | | | | | | 1 | R Dutra da Silva | 6 | 6 | | | | | |
| Q | B Trinker | 4 | 2 | | | | | | | 7 | M Jaziri | 1 | 3 | | | | | |
| WC | R Hocevar | 6 | 6 | | WC | R Hocevar | 4 | 4 | | | | | | | | | | |
| | E Schwank | 4 | 1 | | 7 | M Jaziri | 6 | 6 | | | | | | | | | | |
| 7 | M Jaziri | 6 | 6 | | | | | | | | | | | 1 | R Dutra da Silva | 7 | 3 | 6 |
| 3 | M Viola | 3 | 6 | 1 | | | | | | | | | | | G Clezar | 5 | 6 | 3 |
| WC | P Cuevas | 6 | 4 | 6 | WC | P Cuevas | 2 | 2 | | | | | | | | | | |
| | D Kosakowski | 6$^4$ | 4 | | | G Clezar | 6 | 6 | | | | | | | | | | |
| | G Clezar | 7$^7$ | 6 | | | | | | | | G Clezar | 6 | 6 | | | | | |
| WC | Caio Silva | 3 | 2 | | | | | | | | J Duckworth | 3 | 1 | | | | | |
| | J Duckworth | 6 | 6 | | | J Duckworth | 4 | 7$^8$ | 7$^7$ | | | | | | | | | |
| | N Mektić | 2 | 3 | | 6 | P Capdeville | 6 | 6$^6$ | 6$^3$ | | | | | | | | | |
| 6 | P Capdeville | 6 | 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 | A Veić | 6$^6$ | 6 | 3 | | | | | | | | | | | | | | |
| | T Alves | 7$^8$ | 2 | 0$^r$ | 5 | A Veić | 4 | 6 | 6 | | | | | | | | | |
| | A Velotti | 3 | 3 | | WC | J Silva | 6 | 3 | 2 | | | | | | | | | |
| WC | J Silva | 6 | 6 | | | | | | | 5 | A Veić | 2 | 2 | | | | | |
| | H Podlipnik-Castillo | 6 | 6 | | | | | | | 4 | G Elias | 6 | 6 | | | | | |
| | A Šetkić | 4 | 4 | | | H Podlipnik-Castillo | 2 | 1 | | | | | | | | | | |
| | P Červenák | 6 | 4 | 1 | 4 | G Elias | 6 | 6 | | | | | | | | | | |
| 4 | G Elias | 3 | 6 | 6 | | | | | | | | | | 4 | G Elias | 2 | 6 | 6 |
| 8 | G Andreozzi | 6 | 6 | | | | | | | | | | | 8 | G Andreozzi | 6 | 4 | 2 |
| | L Kirche | 0 | 3 | | 8 | G Andreozzi | 6 | 6 | | | | | | | | | | |
| Q | S Travaglia | 7$^7$ | 2 | 6 | Q | S Travaglia | 2 | 3 | | | | | | | | | | |
| SE | S Diez | 6$^5$ | 6 | 3 | | | | | | 8 | G Andreozzi | 6 | 6 | | | | | |
| | P-H Herbert | 7 | 7 | | | | | | | 2 | J Souza | 3 | 1 | | | | | |
| | B Pašanski | 5 | 5 | | | P-H Herbert | 2 | 6 | 2 | | | | | | | | | |
| | D Lojda | 1 | 1 | | 2 | J Souza | 6 | 4 | 6 | | | | | | | | | |
| 2 | J Souza | 6 | 6 | | | | | | | | | | | | | | | |