# 2012 Tunis Open – Singles

José Acasuso was the defending champion but decided not to participate. Rubén Ramírez Hidalgo won the title defeating Jérémy Chardy in the final 6–1, 6–4.

## Seeds

* Marcel Granollers (semifinals)
* Jérémy Chardy (final)
* Malek Jaziri (second round)
* Rubén Ramírez Hidalgo (champion)
* Horacio Zeballos (second round)
* Jürgen Zopp (semifinals)
* Alessandro Giannessi (second round, withdrew due to a throat infection)
* Marsel İlhan (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 | Final | Final | Final | Final |
| 1/WC | Marcel Granollers | 6$^4$ | 6$^3$ | | | | |
| 4 | Rubén Ramírez Hidalgo | 7$^7$ | 7$^7$ | | | | |
| 4 | Rubén Ramírez Hidalgo | 7$^7$ | 7$^7$ | 4 | Rubén Ramírez Hidalgo | 6 | 6 |
| | | | | 2 | Jérémy Chardy | 1 | 4 |
| 6 | Jürgen Zopp | 1 | 6$^2$ | 2 | Jérémy Chardy | 1 | 4 |
| 2 | Jérémy Chardy | 6 | 7$^7$ | | | | |

### 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 | 7 | | | | | | | | | | | | | | |
| | Y Sugita | 2 | 5 | | 1/WC | M Granollers | 6 | 6 | | | | | | | | | |
| | G Burquier | 2 | 6$^4$ | | | M Viola | 3 | 1 | | | | | | | | | |
| | M Viola | 6 | 7$^7$ | | | | | | | 1/WC | M Granollers | 6 | 7 | | | | |
| | R Bautista-Agut | 6 | 6 | | | | | | | | R Bautista-Agut | 3 | 5 | | | | |
| Q | R Ghedin | 0 | 3 | | | R Bautista-Agut | 4 | 6 | 6 | | | | | | | | |
| | F Serra | 0 | 7 | 2 | 5 | H Zeballos | 6 | 4 | 1 | | | | | | | | |
| 5 | H Zeballos | 6 | 5 | 6 | | | | | | | | | | 1/WC | M Granollers | 6$^4$ | 6$^3$ |
| 4 | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | 4 | R Ramírez Hidalgo | 7$^7$ | 7$^7$ |
| Q | Laurent Rochette | 0 | 3 | | 4 | R Ramírez Hidalgo | 6$^5$ | 6 | 6 | | | | | | | | |
| Q | Antonio Comporto | 6 | 6$^0$ | 0 | | S Robert | 7$^7$ | 4 | 2 | | | | | | | | |
| | S Robert | 2 | 7$^7$ | 6 | | | | | | 4 | R Ramírez Hidalgo | 7 | 6 | | | | |
| | J Janowicz | 7 | 6 | | | | | | | | J Janowicz | 5 | 2 | | | | |
| | K de Schepper | 5 | 4 | | | J Janowicz | w/o | | | | | | | | | | |
| WC | Skander Mansouri | 3 | 2 | | 7 | A Giannessi | | | | | | | | | | | |
| 7 | A Giannessi | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | J Zopp | 6$^{14}$ | 7$^7$ | 6 | | | | | | | | | | | | | | |
| | A Menéndez | 7$^{16}$ | 6$^5$ | 1 | 6 | J Zopp | 6 | 6 | | | | | | | | | | |
| Q | G Naso | 6 | 6 | | Q | G Naso | 2 | 4 | | | | | | | | | | |
| SE | V Millot | 4 | 3 | | | | | | | 6 | J Zopp | 6 | 7$^7$ | | | | | |
| | M Gicquel | 6 | 6 | | | | | | | | M Gicquel | 1 | 6$^3$ | | | | | |
| WC | H Abid | 0 | 1 | | | M Gicquel | 7$^7$ | 6 | | | | | | | | | | |
| | M Teixeira | 3 | 6 | 4 | 3 | M Jaziri | 6$^5$ | 0 | | | | | | | | | | |
| 3 | M Jaziri | 6 | 3 | 6 | | | | | | | | | | | 6 | J Zopp | 1 | 6$^2$ |
| 8 | M İlhan | 7$^7$ | 4 | 6 | | | | | | | | | | | 2 | J Chardy | 6 | 7$^7$ |
| | R Jouan | 6$^3$ | 6 | 3 | 8 | M İlhan | 4 | | | | | | | | | | | |
| | S Galvani | 1 | 0$^0$ | | | A Gensse | 1$^r$ | | | | | | | | | | | |
| | A Gensse | 6 | 1 | | | | | | | 8 | M İlhan | 4 | 6 | 4 | | | | |
| | P Torebko | 4 | 6 | 5 | | | | | | 2 | J Chardy | 6 | 4 | 6 | | | | |
| WC | L Ouahab | 6 | 4 | 7 | WC | L Ouahab | 3 | 6 | 6$^1$ | | | | | | | | | |
| SE | M Bašić | 4 | 4 | | 2 | J Chardy | 6 | 4 | 7$^7$ | | | | | | | | | |
| 2 | J Chardy | 6 | 6 | | | | | | | | | | | | | | | |