Daniel Ricciardo pobił rekordu toru w Singapurze w trakcie 1 sesji treingowej. Później zdecydowanie poprawił ten wynik w drugiej sesji. Poniżej wyniki piątkowych treningów.
| Poz | Nr | Kierowca | Zespół | Czas | Strata | Okr |
| 1 | 3 | Daniel Ricciardo | Red Bull-TAG Heuer | 1’42.489 | | 21 |
| 2 | 5 | Sebastian Vettel | Ferrari | 1’42.598 | 0.109 | 21 |
| 3 | 33 | Max Verstappen | Red Bull-TAG Heuer | 1’42.610 | 0.121 | 23 |
| 4 | 44 | Lewis Hamilton | Mercedes | 1’42.904 | 0.415 | 27 |
| 5 | 11 | Sergio Perez | Force India-Mercedes | 1’43.423 | 0.934 | 25 |
| 6 | 77 | Valtteri Bottas | Mercedes | 1’43.434 | 0.945 | 27 |
| 7 | 7 | Kimi Raikkonen | Ferrari | 1’43.734 | 1.245 | 25 |
| 8 | 14 | Fernando Alonso | McLaren-Honda | 1’43.759 | 1.270 | 19 |
| 9 | 27 | Nico Hulkenberg | Renault | 1’44.101 | 1.612 | 24 |
| 10 | 26 | Daniil Kvyat | Toro Rosso-Renault | 1’44.220 | 1.731 | 25 |
| 11 | 2 | Stoffel Vandoorne | McLaren-Honda | 1’44.340 | 1.851 | 25 |
| 12 | 30 | Jolyon Palmer | Renault | 1’44.961 | 2.472 | 25 |
| 13 | 31 | Esteban Ocon | Force India-Mercedes | 1’45.053 | 2.564 | 25 |
| 14 | 19 | Felipe Massa | Williams-Mercedes | 1’45.084 | 2.595 | 27 |
| 15 | 8 | Romain Grosjean | Haas-Ferrari | 1’46.456 | 3.967 | 20 |
| 16 | 50 | Antonio Giovinazzi | Haas-Ferrari | 1’46.782 | 4.293 | 27 |
| 17 | 18 | Lance Stroll | Williams-Mercedes | 1’47.190 | 4.701 | 11 |
| 18 | 38 | Sean Gelael | Toro Rosso-Renault | 1’47.570 | 5.081 | 26 |
| 19 | 9 | Marcus Ericsson | Sauber-Ferrari | 1’47.699 | 5.210 | 23 |
| 20 | 94 | Pascal Wehrlein | Sauber-Ferrari | 1’47.886 | 5.397 | 24 |
Wyniki 2 treningu
| Poz | Nr | Kierowca | Zespół | Czas | Strata | Okr |
| 1 | 3 | Daniel Ricciardo | Red Bull-TAG Heuer | 1’40.852 | | 33 |
| 2 | 33 | Max Verstappen | Red Bull-TAG Heuer | 1’41.408 | 0.556 | 28 |
| 3 | 44 | Lewis Hamilton | Mercedes | 1’41.555 | 0.703 | 36 |
| 4 | 77 | Valtteri Bottas | Mercedes | 1’42.104 | 1.252 | 35 |
| 5 | 27 | Nico Hulkenberg | Renault | 1’42.448 | 1.596 | 33 |
| 6 | 2 | Stoffel Vandoorne | McLaren-Honda | 1’42.501 | 1.649 | 34 |
| 7 | 14 | Fernando Alonso | McLaren-Honda | 1’42.788 | 1.936 | 32 |
| 8 | 11 | Sergio Perez | Force India-Mercedes | 1’42.826 | 1.974 | 35 |
| 9 | 7 | Kimi Raikkonen | Ferrari | 1’42.835 | 1.983 | 30 |
| 10 | 31 | Esteban Ocon | Force India-Mercedes | 1’43.054 | 2.202 | 34 |
| 11 | 5 | Sebastian Vettel | Ferrari | 1’43.104 | 2.252 | 33 |
| 12 | 55 | Carlos Sainz Jnr | Toro Rosso-Renault | 1’43.236 | 2.384 | 38 |
| 13 | 26 | Daniil Kvyat | Toro Rosso-Renault | 1’43.608 | 2.756 | 32 |
| 14 | 30 | Jolyon Palmer | Renault | 1’43.795 | 2.943 | 32 |
| 15 | 19 | Felipe Massa | Williams-Mercedes | 1’43.836 | 2.984 | 32 |
| 16 | 18 | Lance Stroll | Williams-Mercedes | 1’44.301 | 3.449 | 32 |
| 17 | 20 | Kevin Magnussen | Haas-Ferrari | 1’44.417 | 3.565 | 32 |
| 18 | 8 | Romain Grosjean | Haas-Ferrari | 1’44.928 | 4.076 | 29 |
| 19 | 94 | Pascal Wehrlein | Sauber-Ferrari | 1’45.673 | 4.821 | 34 |
| 20 | 9 | Marcus Ericsson | Sauber-Ferrari | 1’45.721 | 4.869 | 35 |
