C’est Daniel Ricciardo (Red Bull) qui a été le plus rapide de la première séance d’essais libres à Singapour. Sebastian Vettel (Ferrari) a fait le 2e temps et Max Verstappen (Red Bull) est 3e. Lewis Hamilton (Mercedes) se retrouve 4e.
| Pos | Pilote | Temps | Écart | Tours |
|---|---|---|---|---|
| 1 | 1:42.489 | 21 | ||
| 2 | 1:42.598 | +0.109s | 21 | |
| 3 | 1:42.610 | +0.121s | 23 | |
| 4 | 1:42.904 | +0.415s | 27 | |
| 5 | 1:43.423 | +0.934s | 25 | |
| 6 | 1:43.434 | +0.945s | 27 | |
| 7 | 1:43.734 | +1.245s | 25 | |
| 8 | 1:43.759 | +1.270s | 19 | |
| 9 | 1:44.101 | +1.612s | 24 | |
| 10 | 1:44.220 | +1.731s | 25 | |
| 11 | 1:44.340 | +1.851s | 25 | |
| 12 | 1:44.961 | +2.472s | 25 | |
| 13 | 1:45.053 | +2.564s | 25 | |
| 14 | 1:45.084 | +2.595s | 27 | |
| 15 | 1:46.456 | +3.967s | 20 | |
| 16 | 1:46.782 | +4.293s | 27 | |
| 17 | 1:47.190 | +4.701s | 11 | |
| 18 | 1:47.570 | +5.081s | 26 | |
| 19 | 1:47.699 | +5.210s | 23 | |
| 20 | 1:47.886 | +5.397s | 24 |