# 2013 Tunis Open – Singles

Rubén Ramírez Hidalgo was the defending champion, but lost to Diego Sebastián Schwartzman in the first round. Adrian Ungur defeated Schwartzman 4–6, 6–0, 6–2 in the final to win the title.

## Seeds

* Marcel Granollers (second round, retired)
* Guillermo García-López (withdrew due to an infection)
* Benjamin Becker (first round)
* Kenny de Schepper (semifinals)
* Rubén Ramírez Hidalgo (first round, retired due to general exhaustion)
* Daniel Muñoz de la Nava (second round)
* Matteo Viola (first round, retired due to a low back injury)
* Flavio Cipolla (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 |
| | Diego Sebastián Schwartzman | 7$^9$ | 6 | | | | | |
| 4 | Kenny de Schepper | 6$^7$ | 1 | | | | | |
| 4 | Kenny de Schepper | 6$^7$ | 1 | | Diego Sebastián Schwartzman | 6 | 0 | 2 |
| | | | | | Adrian Ungur | 4 | 6 | 6 |
| | Adrian Ungur | 2 | 6 | 7 | Adrian Ungur | 4 | 6 | 6 |
| | Florent Serra | 6 | 1 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1/WC | M Granollers | 6 | 6 | | | | | | | | | | | | | | |
| | A Brugués-Davi | 4 | 2 | | 1/WC | M Granollers | 6 | 2 | 0$^r$ | | | | | | | | |
| | N Mahut | 3 | 6$^3$ | | WC | L Ouahab | 4 | 6 | 3 | | | | | | | | |
| WC | L Ouahab | 6 | 7$^7$ | | | | | | | WC | L Ouahab | 2 | 6$^7$ | | | | |
| Q | Florian Reynet | 4 | 1 | | | | | | | | DS Schwartzman | 6 | 7$^9$ | | | | |
| | A Menéndez-Maceiras | 6 | 6 | | | A Menéndez-Maceiras | 6 | 5 | 0 | | | | | | | | |
| | DS Schwartzman | 6 | 5 | | | DS Schwartzman | 4 | 7 | 6 | | | | | | | | |
| 5 | R Ramírez Hidalgo | 4 | 2$^r$ | | | | | | | | | | | | DS Schwartzman | 7$^9$ | 6 |
| 4 | K de Schepper | 4 | 7$^8$ | 6 | | | | | | | | | | 4 | K de Schepper | 6$^7$ | 1 |
| | G Granollers | 6 | 6$^6$ | 1 | 4 | K de Schepper | 7$^7$ | 6 | | | | | | | | | |
| | F Dustov | 6$^6$ | 7 | 3 | | A di Mauro | 6$^2$ | 0 | | | | | | | | | |
| | A di Mauro | 7$^8$ | 5 | 6 | | | | | | 4 | K de Schepper | 7$^7$ | 6 | | | | |
| Q | A Arnaboldi | 7 | 6$^7$ | 6 | | | | | | Q | A Arnaboldi | 6$^5$ | 1 | | | | |
| | D Meffert | 5 | 7$^9$ | 3 | Q | A Arnaboldi | 6$^3$ | 6 | 7$^7$ | | | | | | | | |
| Q | E López-Pérez | 3 | 2 | | 6 | D Muñoz de la Nava | 7$^7$ | 1 | 6$^3$ | | | | | | | | |
| 6 | D Muñoz de la Nava | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | M Viola | 6 | 6$^2$ | 3$^r$ | | | | | | | | | | | |
| | I Sergeyev | 4 | 7$^7$ | 5 | | I Sergeyev | 1 | 2 | | | | | | | |
| | A Ungur | 7 | 6 | | | A Ungur | 6 | 6 | | | | | | | |
| | B Pašanski | 5 | 0 | | | | | | A Ungur | 7 | 7$^7$ | | | | |
| | M İlhan | 6$^5$ | 6 | 3 | | | | | R Albot | 5 | 6$^4$ | | | | |
| | R Albot | 7$^7$ | 3 | 6 | | R Albot | 6 | 6 | | | | | | | |
| | M Jaziri | 6 | 6 | | | M Jaziri | 1 | 4 | | | | | | | |
| 3 | B Becker | 1 | 4 | | | | | | | | | A Ungur | 2 | 6 | 7 |
| 8 | F Cipolla | 6 | 6 | | | | | | | | | F Serra | 6 | 1 | 5 |
| WC | Mohamed Haythem Abid | 1 | 3 | | 8 | F Cipolla | 6$^3$ | 3 | | | | | | | |
| WC | S Mansouri | 4 | 6 | 1 | | O Nedovyesov | 7$^7$ | 6 | | | | | | | |
| | O Nedovyesov | 6 | 3 | 6 | | | | | O Nedovyesov | 6$^5$ | 4 | | | | |
| Q | M Linzer | 6$^4$ | 3 | | | | | | F Serra | 7$^7$ | 6 | | | | |
| | F Serra | 7$^7$ | 6 | | | F Serra | 7 | 6 | | | | | | | |
| PR | Laurent Rochette | 1 | 5 | | LL | R Ghedin | 5 | 3 | | | | | | | |
| LL | R Ghedin | 6 | 7 | | | | | | | | | | | | |