Primera sesión de entrenamientos libres del Gran Premio de Singapur 2009
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Rubens Barrichello |
Brawn | 1:50.179 | |
| 2 |  Jenson Button |
Brawn | + 0.177 | |
| 3 |  Mark Webber |
Red Bull | + 0.237 | |
| 4 |  Fernando Alonso |
Renault | + 0.388 | |
| 5 |  Sebastian Vettel |
Red Bull | + 0.435 | |
| 6 |  Heikki Kovalainen |
McLaren | + 0.520 | |
| 7 | Lewis Hamilton |
McLaren | + 0.536 | |
| 8 |  Robert Kubica |
BMW | + 0.636 | |
| 9 | Kimi Räikkönen |
Ferrari | + 0.686 | |
| 10 |  Kazuki Nakajima |
Williams | + 0.910 | |
| 11 | Nico Rosberg |
Williams | + 1.248 | |
| 12 | Adrian Sutil |
Force India | + 1.365 | |
| 13 |  Sebastien Buemi |
Toro Rosso | + 1.464 | |
| 14 | Nick Heidfeld |
BMW | + 1.477 | |
| 15 | Timo Glock |
Toyota | + 1.904 | |
| 16 |  Jarno Trulli |
Toyota | + 1.956 | |
| 17 | Giancarlo Fisichella |
Ferrari | + 2.211 | |
| 18 | Vitantonio Liuzzi |
Force India | + 2.726 | |
| 19 | Jaime Alguersuari |
Toro Rosso | + 3.053 | |
| 20 |  Romain Grosjean |
Renault | + 3.279 |