# 2013 Guimarães Open – Singles

This was the first edition of the event. João Sousa won the title, defeating Marius Copil 6–3, 6–0 in the final.

## Seeds

* João Sousa (champion)
* Benjamin Becker (second round)
* Go Soeda (first round)
* Marius Copil (final)
* Daniel Muñoz de la Nava (quarterfinals, retired)
* Matteo Viola (quarterfinals)
* Flavio Cipolla (semifinals)
* Josselin Ouanna (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 |
| 1 | João Sousa | 6 | 6 | | | | | |
| 7 | Flavio Cipolla | 3 | 4 | | | | | |
| 7 | Flavio Cipolla | 3 | 4 | | 1 | João Sousa | 6 | 6 |
| | | | | | 4 | Marius Copil | 3 | 0 |
| 4 | Marius Copil | 6 | 2 | 6 | 4 | Marius Copil | 3 | 0 |
| Q | Andrés Artuñedo | 2 | 6 | 4 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Sousa | 3 | 7$^{10}$ | 6 | | | | | | | | | | | | | |
| | Antoine Benneteau | 6 | 6$^8$ | 4 | 1 | J Sousa | 6 | 6 | | | | | | | | | |
| | R Ortega Olmedo | 6 | 6 | | | R Ortega Olmedo | 2 | 0 | | | | | | | | | |
| WC | Rui Pedro Silva | 0 | 0 | | | | | | 1 | J Sousa | 2 | 6 | 6 | | | | |
| Q | Jaime Pulgar-García | 3 | 4 | | | | | | 6 | M Viola | 6 | 4 | 0 | | | | |
| | A Bossel | 6 | 6 | | | A Bossel | 2 | 2 | | | | | | | | | |
| | I Klec | 6 | 3 | 4 | 6 | M Viola | 6 | 6 | | | | | | | | | |
| 6 | M Viola | 0 | 6 | 6 | | | | | | | | | | 1 | J Sousa | 6 | 6 |
| 3 | G Soeda | 4 | 2 | | | | | | | | | | | 7 | F Cipolla | 3 | 4 |
| | Jules Marie | 6 | 6 | | | J Marie | 4 | 3 | | | | | | | | | |
| Q | M Donati | 4 | 7$^7$ | 4 | | M Neuchrist | 6 | 6 | | | | | | | | | |
| | M Neuchrist | 6 | 6$^4$ | 6 | | | | | | M Neuchrist | 3 | 2 | | | | | |
| WC | FF Silva | 3 | 3 | | | | | | 7 | F Cipolla | 6 | 6 | | | | | |
| | A Menéndez Maceiras | 6 | 6 | | | A Menéndez Maceiras | 1 | 0$^r$ | | | | | | | | | |
| WC | Gonçalo Pereira | 1 | 5 | | 7 | F Cipolla | 6 | 3 | | | | | | | | | |
| 7 | F Cipolla | 6 | 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 | Semifinals |
| 8 | J Ouanna | 3 | 6 | 7 | | | | | | | | | | | | | | | |
| | A Ward | 6 | 3 | 5 | 8 | J Ouanna | 6 | 3 | 3 | | | | | | | | | | |
| | T Daniel | 6 | 6 | | | T Daniel | 2 | 6 | 6 | | | | | | | | | | |
| | U Ignatik | 4 | 0 | | | | | | | | T Daniel | 6 | 3 | 4 | | | | | |
| WC | J Domingues | 4 | 6 | 6 | | | | | | 4 | M Copil | 4 | 6 | 6 | | | | | |
| | L Grigelis | 6 | 0 | 3 | WC | J Domingues | 3 | 2 | | | | | | | | | | | |
| | W Trusendi | 4 | 3 | | 4 | M Copil | 6 | 6 | | | | | | | | | | | |
| 4 | M Copil | 6 | 6 | | | | | | | | | | | | 4 | M Copil | 6 | 2 | 6 |
| 5 | D Muñoz de la Nava | 6 | 3 | 6 | | | | | | | | | | | Q | A Artuñedo | 2 | 6 | 4 |
| | Michal Konečný | 4 | 6 | 2 | 5 | D Muñoz de la Nava | 6 | 6 | | | | | | | | | | | |
| Q | Iván Arenas-Gualda | 6 | 6 | | Q | I Arenas-Gualda | 0 | 3 | | | | | | | | | | | |
| | Edoardo Eremin | 4 | 2 | | | | | | | 5 | D Muñoz de la Nava | 5 | 1$^r$ | | | | | | |
| | G Burquier | 2 | 6$^3$ | | | | | | | Q | A Artuñedo | 7 | 4 | | | | | | |
| Q | A Artuñedo | 6 | 7$^7$ | | Q | A Artuñedo | 6 | 7 | | | | | | | | | | | |
| | A Bega | 3 | 2 | | 2 | B Becker | 3 | 5 | | | | | | | | | | | |
| 2 | B Becker | 6 | 6 | | | | | | | | | | | | | | | | |