# 2008 Grand Prix de Tennis de Lyon – Singles

Sébastien Grosjean was the defending champion, but lost in the first round to Robby Ginepri.
Seventh-seeded Robin Söderling won in the final 6–3, 6–7$^{(5–7)}$, 6–1, against Julien Benneteau.

## Seeds

* Andy Roddick (quarterfinals)
* Richard Gasquet (second round)
* Jo-Wilfried Tsonga (semifinals)
* Gilles Simon (semifinals)
* Tommy Robredo (second round)
* Ivo Karlović (first round)
* Robin Söderling (champion)
* Paul-Henri Mathieu (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 | Final |
| 7 | Robin Söderling | 5 | 6 | 6 | | | | | |
| 4 | Gilles Simon | 7 | 3 | 3 | | | | | |
| 4 | Gilles Simon | 7 | 3 | 3 | 7 | Robin Söderling | 6 | 6$^5$ | 6 |
| | | | | | | Julien Benneteau | 3 | 7$^7$ | 1 |
| 3 | Jo-Wilfried Tsonga | 6$^4$ | 5 | | | Julien Benneteau | 3 | 7$^7$ | 1 |
| | Julien Benneteau | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Roddick | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | N Mahut | 6$^5$ | 4 | | 1 | A Roddick | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | R Ginepri | 6$^4$ | 6 | 6 | | R Ginepri | 6$^5$ | 6$^3$ | | | | | | | | | | |
| WC | S Grosjean | 7$^7$ | 4 | 4 | | | | | | 1 | A Roddick | 6$^5$ | 6$^5$ | | | | | |
| Q | C Rochus | 6 | 6 | | | | | | | 7 | R Söderling | 7$^7$ | 7$^7$ | | | | | |
| | G Müller | 2 | 4 | | Q | C Rochus | 1 | 2 | | | | | | | | | | |
| Q | T Ascione | 4 | 1 | | 7 | R Söderling | 6 | 6 | | | | | | | | | | |
| 7 | R Söderling | 6 | 6 | | | | | | | | | | | 7 | R Söderling | 5 | 6 | 6 |
| 4 | G Simon | 2 | 6 | 6 | | | | | | | | | | 4 | G Simon | 7 | 3 | 3 |
| | J Mónaco | 6 | 4 | 1 | 4 | G Simon | 7$^7$ | 5 | 6 | | | | | | | | | |
| Q | D Guez | 2 | 5 | | | A Seppi | 6$^5$ | 7 | 4 | | | | | | | | | |
| | A Seppi | 6 | 7 | | | | | | | 4 | G Simon | 6 | 7 | | | | | |
| WC | J Ouanna | 6$^2$ | 7$^7$ | 6 | | | | | | WC | J Ouanna | 3 | 5 | | | | | |
| | I Ljubičić | 7$^7$ | 6$^5$ | 4 | WC | J Ouanna | 6 | 1 | 6 | | | | | | | | | |
| | N Lapentti | 7$^7$ | 6 | | | N Lapentti | 3 | 6 | 3 | | | | | | | | | |
| 6 | I Karlović | 6$^4$ | 3 | | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | P-H Mathieu | 6 | 6 | | | | | | | | | | | | | | |
| | G Cañas | 3 | 4 | | 8 | P-H Mathieu | 4 | 1 | | | | | | | | | |
| | JC Ferrero | 6 | 7 | | | JC Ferrero | 6 | 6 | | | | | | | | | |
| | S Querrey | 3 | 5 | | | | | | | | JC Ferrero | 6$^5$ | 1 | | | | |
| | F Santoro | 6 | 6 | | | | | | | 3 | J-W Tsonga | 7$^7$ | 6 | | | | |
| | F Fognini | 4 | 1 | | | F Santoro | 2 | 7 | 3 | | | | | | | | |
| | M Gicquel | 5 | 6 | 3 | 3 | J-W Tsonga | 6 | 5 | 6 | | | | | | | | |
| 3 | J-W Tsonga | 7 | 4 | 6 | | | | | | | | | | 3 | J-W Tsonga | 6$^4$ | 5 |
| 5 | T Robredo | 6 | 6 | | | | | | | | | | | | J Benneteau | 7$^7$ | 7 |
| | M Llodra | 4 | 3 | | 5 | T Robredo | 2 | 2 | | | | | | | | | |
| | J Benneteau | 6 | 6 | | | J Benneteau | 6 | 6 | | | | | | | | | |
| | A Clément | 3 | 2 | | | | | | | | J Benneteau | 6 | 6 | | | | |
| WC | R Štěpánek | 4 | 6 | 3 | | | | | | | S Darcis | 3 | 2 | | | | |
| | S Darcis | 6 | 3 | 6 | | S Darcis | 6 | 3 | 7$^7$ | | | | | | | | |
| Q | S Giraldo | 7 | 3 | 6$^3$ | 2 | R Gasquet | 4 | 6 | 6$^5$ | | | | | | | | |
| 2 | R Gasquet | 5 | 6 | 7$^7$ | | | | | | | | | | | | | |