# 2009 Tunis Open – Singles

Thomaz Bellucci was the defender of championship title, but he chose to not participate this year. Gastón Gaudio won in the final 6–2, 1–6, 6–3, against Frederico Gil.

## Seeds

* Jarkko Nieminen (semifinals)
* Nicolas Devilder (second round)
* Björn Phau (second round)
* Frederico Gil (final)
* Diego Junqueira (quarterfinals)
* Pablo Andújar (first round)
* Wayne Odesnik (first round)
* Leonardo Mayer (first 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

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Jarkko Nieminen | 2 | 0$^r$ | | | | | |
| WC | Gastón Gaudio | 6 | 1 | | | | | |
| WC | Gastón Gaudio | 6 | 1 | WC | Gastón Gaudio | 6 | 1 | 6 |
| | | | | 4 | Frederico Gil | 2 | 6 | 3 |
| 4 | Frederico Gil | 6 | 6 | 4 | Frederico Gil | 2 | 6 | 3 |
| | Roko Karanušić | 1 | 0 | | | | | |

### 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 | J Nieminen | 7 | 3 | 7 | | | | | | | | | | | | | |
| | D Muñoz-De La Nava | 5 | 6 | 6$^4$ | 1 | J Nieminen | 4 | 6 | 6 | | | | | | | | |
| | B Dabul | 6 | 2 | 6 | | B Dabul | 6 | 2 | 3 | | | | | | | | |
| WC | M Jaziri | 4 | 6 | 3 | | | | | | 1 | J Nieminen | 6 | 6 | | | | |
| | G Cañas | 7 | 1 | 6 | | | | | | | G Cañas | 2 | 4 | | | | |
| Q | P Sousa | 5 | 6 | 3 | | G Cañas | 6$^5$ | 7 | 6 | | | | | | | | |
| | D Gremelmayr | 6 | 6$^1$ | 6 | | D Gremelmayr | 7 | 6$^4$ | 0 | | | | | | | | |
| 8 | L Mayer | 1 | 7 | 3 | | | | | | | | | | 1 | J Nieminen | 2 | 0$^r$ |
| 3 | B Phau | 7 | 7 | | | | | | | | | | | WC | G Gaudio | 6 | 1 |
| | D Savić | 5 | 5 | | 3 | B Phau | 6 | 2 | 4 | | | | | | | | |
| | D Brands | 4 | 2 | | WC | G Gaudio | 3 | 6 | 6 | | | | | | | | |
| WC | G Gaudio | 6 | 6 | | | | | | | WC | G Gaudio | 6 | 6 | | | | |
| | A Sidorenko | 6 | 6 | | | | | | | | A Sidorenko | 0 | 2 | | | | |
| WC | A Ungur | 3 | 2 | | | A Sidorenko | 6 | 6 | | | | | | | | | |
| | L Ouahab | 6 | 7 | | | L Ouahab | 1 | 2 | | | | | | | | | |
| | P Andújar | 1 | 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 |
| 7 | W Odesnik | 3 | 2 | | | | | | | | | | | | | | | |
| | M Daniel | 6 | 6 | | | M Daniel | 1 | 2 | | | | | | | | | | |
| | M Kukushkin | 6 | 4 | 2 | | R Machado | 6 | 6 | | | | | | | | | | |
| | R Machado | 2 | 6 | 6 | | | | | | | R Machado | 1 | 6$^6$ | | | | | |
| | A Veić | 6 | 3 | 6 | | | | | | 4 | F Gil | 6 | 7 | | | | | |
| Q | A Ramos-Viñolas | 1 | 6 | 3 | | A Veić | 4 | 2 | | | | | | | | | | |
| | S Roitman | 4 | 1 | | 4 | F Gil | 6 | 6 | | | | | | | | | | |
| 4 | F Gil | 6 | 6 | | | | | | | | | | | | 4 | F Gil | 6 | 6 |
| 5 | D Junqueira | 3 | 7 | 6 | | | | | | | | | | | | R Karanušić | 1 | 0 |
| | I Bozoljac | 6 | 5 | 3 | 5 | D Junqueira | 6 | 6 | | | | | | | | | | |
| Q | L Recouderc | 6 | 7 | | Q | L Recouderc | 4 | 2 | | | | | | | | | | |
| | M Montcourt | 3 | 5 | | | | | | | 5 | D Junqueira | 7 | 4 | 2 | | | | |
| | R Karanušić | 6 | 6 | | | | | | | | R Karanušić | 6$^6$ | 6 | 6 | | | | |
| WC | W Jallali | 2 | 2 | | | R Karanušić | 7 | 3 | 6 | | | | | | | | | |
| | B Pašanski | 6$^1$ | 6$^4$ | | 2 | N Devilder | 6$^2$ | 6 | 3 | | | | | | | | | |
| 2 | N Devilder | 7 | 7 | | | | | | | | | | | | | | | |