# 2013 IS Open de Tênis – Singles

Blaž Kavčič was the defending champion, but has chosen not to compete. Paul Capdeville won the final 6–2, 6–2 against Renzo Olivo.

## Seeds

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

## 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 |
| 7 | Paul Capdeville | 5 | 6 | 7$^7$ | | | | |
| Q | Máximo González | 7 | 4 | 6$^3$ | | | | |
| Q | Máximo González | 7 | 4 | 6$^3$ | 7 | Paul Capdeville | 6 | 6 |
| | | | | | | Renzo Olivo | 2 | 2 |
| | Renzo Olivo | 4 | 7 | 7 | | Renzo Olivo | 2 | 2 |
| | Guilherme Clezar | 6 | 5 | 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 | R Dutra da Silva | 6 | 7 | | | | | | | | | | | | | | | | |
| | M Trungelliti | 1 | 5 | | 1 | R Dutra da Silva | 7 | 6 | | | | | | | | | | | |
| WC | R Hocevar | 1 | 6$^5$ | | WC | M Demoliner | 5 | 2 | | | | | | | | | | | |
| WC | M Demoliner | 6 | 7$^7$ | | | | | | | 1 | R Dutra da Silva | 6$^4$ | 6$^6$ | | | | | | |
| | T Alves | 6$^3$ | 1 | | | | | | | 7 | P Capdeville | 7$^7$ | 7$^8$ | | | | | | |
| WC | J Silva | 7$^7$ | 6 | | WC | J Silva | 3 | 2 | | | | | | | | | | | |
| | B Pašanski | 3 | 6 | 5 | 7 | P Capdeville | 6 | 6 | | | | | | | | | | | |
| 7 | P Capdeville | 6 | 4 | 7 | | | | | | | | | | | 7 | P Capdeville | 5 | 6 | 7$^7$ |
| 3 | M Viola | 7 | 1$^r$ | | | | | | | | | | | | Q | M González | 7 | 4 | 6$^3$ |
| | P Červenák | 5 | 3 | | | P Červenák | 7 | 3 | 3 | | | | | | | | | | |
| | N Mektić | 5 | 4 | | Q | M González | 5 | 6 | 6 | | | | | | | | | | |
| Q | M González | 7 | 6 | | | | | | | Q | M González | 1 | 6 | 6 | | | | | |
| Q | P Galdón | 7 | 6 | | | | | | | 6 | M Jaziri | 6 | 0 | 4 | | | | | |
| Alt | E Schwank | 5 | 2 | | Q | P Galdón | 3 | 6$^3$ | | | | | | | | | | | |
| | L Kirche | 2 | 6$^4$ | | 6 | M Jaziri | 6 | 7$^7$ | | | | | | | | | | | |
| 6 | M Jaziri | 6 | 7$^7$ | | | | | | | | | | | | | | | | |

### 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 |
| 5 | G Andreozzi | 6 | 6 | | | | | | | | | | | | | | | |
| | A Šetkić | 2 | 1 | | 5 | G Andreozzi | | | | | | | | | | | | |
| Q | R Machado | 4 | 7 | 2 | | R Olivo | w/o | | | | | | | | | | | |
| | R Olivo | 6 | 5 | 6 | | | | | | | R Olivo | 6$^2$ | 6 | 6 | | | | |
| | A Velotti | 3 | 2 | | | | | | | WC | P Cuevas | 7$^7$ | 4 | 4 | | | | |
| WC | P Cuevas | 6 | 6 | | WC | P Cuevas | 6 | 6 | | | | | | | | | | |
| Alt | J Kovalík | 6$^3$ | 7 | 6 | Alt | J Kovalík | 2 | 4 | | | | | | | | | | |
| 4 | G Elias | 7$^7$ | 5 | 3 | | | | | | | | | | | R Olivo | 4 | 7 | 7 |
| 8 | A Veić | 4 | 6 | 6 | | | | | | | | | | | G Clezar | 6 | 5 | 5 |
| | F de Paula | 6 | 1 | 4 | 8 | A Veić | 3 | 3 | | | | | | | | | | |
| Q | D Lojda | 7$^7$ | 6 | | Q | D Lojda | 6 | 6 | | | | | | | | | | |
| | J Duckworth | 6$^3$ | 4 | | | | | | | Q | D Lojda | 4 | 4 | | | | | |
| | P-H Herbert | 1 | 6$^3$ | | | | | | | | G Clezar | 6 | 6 | | | | | |
| | G Clezar | 6 | 7$^7$ | | | G Clezar | 3 | 7 | 6 | | | | | | | | | |
| | D Kosakowski | 6$^0$ | 2 | | 2 | J Souza | 6 | 5 | 1 | | | | | | | | | |
| 2 | J Souza | 7$^7$ | 6 | | | | | | | | | | | | | | | |