# 2009 Open de Rennes – Singles

Josselin Ouanna was the defending champion, but retired in the second round match against Stefano Galvani while scores were 6–7$^{(1–7)}$, 7–6$^{(7–4)}$. Alejandro Falla won this tournament, by defeating Thierry Ascione 6–3, 6–2 in the final.

## Seeds

* Josselin Ouanna (second round, retired due to left thigh injury)
* Daniel Brands (second round)
* Carsten Ball (first round, retired due to lower back pain)
* Kevin Anderson (quarterfinals)
* Alejandro Falla (champion)
* Arnaud Clément (first round)
* Stéphane Robert (first round)
* Thiago Alves (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | David Guez | 2 | 6$^6$ | | | | |
| 5 | Alejandro Falla | 6 | 7$^7$ | | | | |
| 5 | Alejandro Falla | 6 | 7$^7$ | 5 | Alejandro Falla | 6 | 6 |
| | | | | | Thierry Ascione | 3 | 2 |
| | Dieter Kindlmann | 6$^3$ | 6$^4$ | | Thierry Ascione | 3 | 2 |
| | Thierry Ascione | 7$^7$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Ouanna | 7 | 7 | | | | | | | | | | | | | | | |
| | P Červenák | 5 | 5 | | 1 | J Ouanna | 7$^7$ | 6$^4$ | r | | | | | | | | | |
| | L Rosol | 1 | 4 | | | S Galvani | 6$^1$ | 7$^7$ | | | | | | | | | | |
| | S Galvani | 6 | 6 | | | | | | | | S Galvani | 3 | 6 | 3 | | | | |
| | D Goffin | 6$^7$ | 6 | 6$^3$ | | | | | | | D Guez | 6 | 2 | 6 | | | | |
| WC | C-A Brézac | 7$^9$ | 3 | 7$^7$ | WC | C-A Brézac | 3 | 6 | 3 | | | | | | | | | |
| | D Guez | 6 | 6 | | | D Guez | 6 | 0 | 6 | | | | | | | | | |
| 6 | A Clément | 3 | 3 | | | | | | | | | | | | | D Guez | 2 | 6$^6$ |
| 3 | C Ball | 2 | r | | | | | | | | | | | | 5 | A Falla | 6 | 7$^8$ |
| Q | R Junaid | 6 | | | Q | R Junaid | 4 | 4 | | | | | | | | | | |
| | N Mahut | 2 | 6 | 4 | | X Malisse | 6 | 6 | | | | | | | | | | |
| | X Malisse | 6 | 3 | 6 | | | | | | | X Malisse | 6$^5$ | 6 | 2 | | | | |
| | D Hrbatý | 7$^7$ | 6 | | | | | | | 5 | A Falla | 7$^7$ | 3 | 6 | | | | |
| WC | R Jouan | 6$^5$ | 4 | | | D Hrbatý | 6 | 4 | 1 | | | | | | | | | |
| WC | G Mina | 1 | 2 | | 5 | A Falla | 2 | 6 | 6 | | | | | | | | | |
| 5 | A Falla | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 7 | S Robert | 6 | 3 | 6$^8$ | | | | | | | | | | | |
| | A Sidorenko | 2 | 6 | 7$^{10}$ | | A Sidorenko | 3 | 2 | | | | | | | |
| | D Kindlmann | 3 | 6 | 6 | | D Kindlmann | 6 | 6 | | | | | | | |
| | P Šnobel | 6 | 4 | 4 | | | | | | D Kindlmann | 6 | 7 | | | |
| | V Millot | 3 | 3 | | | | | | 4 | K Anderson | 2 | 5 | | | |
| | J Reister | 6 | 6 | | | J Reister | 6$^3$ | 6$^3$ | | | | | | | |
| | O Patience | 6$^6$ | 2 | | 4 | K Anderson | 7$^7$ | 7$^7$ | | | | | | | |
| 4 | K Anderson | 7$^8$ | 6 | | | | | | | | | | D Kindlmann | 6$^3$ | 6$^4$ |
| 8 | T Alves | 0 | 7$^7$ | 1 | | | | | | | | | T Ascione | 7$^7$ | 7$^7$ |
| Q | R Chaki | 6 | 6$^5$ | 6 | Q | R Chaki | 3 | 3 | | | | | | | |
| Q | J Janowicz | 3 | 3 | | | J Minář | 6 | 6 | | | | | | | |
| | J Minář | 6 | 6 | | | | | | | J Minář | 3 | 5 | | | |
| WC | J Obry | 2 | 4 | | | | | | | T Ascione | 6 | 7 | | | |
| | T Ascione | 6 | 6 | | | T Ascione | 7 | 7 | | | | | | | |
| Q | J Haehnel | 2 | 2 | | 2 | D Brands | 5 | 5 | | | | | | | |
| 2 | D Brands | 6 | 6 | | | | | | | | | | | | |