Primera sesión de entrenamientos libres del Gran Premio de Singapur 2015
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Nico Rosberg |
Mercedes | 1:47.995 | 27 |
| 2 |  Lewis Hamilton |
Mercedes | +0.319s | 24 |
| 3 |  Daniel Ricciardo |
Red Bull | +0.336s | 21 |
| 4 | Sebastian Vettel |
Ferrari | +0.499s | 23 |
| 5 |  Kimi Räikkönen |
Ferrari | +0.790s | 20 |
| 6 | Valtteri Bottas |
Williams | +1.385s | 19 |
| 7 |  Max Verstappen |
Toro Rosso | +1.471s | 17 |
| 8 | Nico Hülkenberg |
Force India | +1.859s | 21 |
| 9 |  Carlos Sainz Jr. |
Toro Rosso | +2.024s | 28 |
| 10 |  Pastor Maldonado |
Lotus | +2.073s | 21 |
| 11 | Fernando Alonso |
McLaren | +2.128s | 21 |
| 12 |  Sergio Perez |
Force India | +2.130s | 23 |
| 13 |  Felipe Nasr |
Sauber | +2.163s | 18 |
| 14 |  Romain Grosjean |
Lotus | +2.346s | 23 |
| 15 | Jenson Button |
McLaren | +2.460s | 21 |
| 16 |  Marcus Ericsson |
Sauber | +2.888s | 21 |
| 17 | Felipe Massa |
Williams | +3.040s | 18 |
| 18 |  Daniil Kvyat |
Red Bull | +3.193s | 8 |
| 19 | Will Stevens |
Manor | +5.908s | 20 |
| 20 |  Alexander Rossi |
Manor | +5.923s | 18 |