Full results from Free Practice 1 at the Formula 1 Singapore Grand Prix from Marina Bay.
| Pos | Num | Driver | Team | Laps | Time | Diff |
| 1 | 16 | Charles Leclerc | Ferrari | 25 | 1:33.350 | |
| 2 | 55 | Carlos Sainz | Ferrari | 24 | 1:33.428 | 00.078 |
| 3 | 1 | Max Verstappen | Red Bull | 22 | 1:33.476 | 00.126 |
| 4 | 4 | Lando Norris | McLaren | 23 | 1:33.522 | 00.172 |
| 5 | 44 | Lewis Hamilton | Mercedes | 20 | 1:33.540 | 00.190 |
| 6 | 63 | George Russell | Mercedes | 24 | 1:33.695 | 00.345 |
| 7 | 11 | Sergio Perez | Red Bull | 22 | 1:33.725 | 00.375 |
| 8 | 14 | Fernando Alonso | Aston Martin | 27 | 1:33.974 | 00.624 |
| 9 | 22 | Yuki Tsunoda | Scuderia AlphaTauri | 24 | 1:34.042 | 00.692 |
| 10 | 31 | Esteban Ocon | Alpine | 23 | 1:34.066 | 00.716 |
| 11 | 18 | Lance Stroll | Aston Martin | 24 | 1:34.568 | 01.218 |
| 12 | 10 | Pierre Gasly | Alpine | 23 | 1:34.639 | 01.289 |
| 13 | 23 | Alex Albon | Williams | 19 | 1:34.657 | 01.307 |
| 14 | 77 | Valtteri Bottas | Alfa Romeo Sauber | 24 | 1:34.802 | 01.452 |
| 15 | 20 | Kevin Magnussen | Haas | 23 | 1:34.887 | 01.537 |
| 16 | 40 | Liam Lawson | Scuderia AlphaTauri | 26 | 1:34.894 | 01.544 |
| 17 | 27 | Nico Hulkenberg | Haas | 22 | 1:34.985 | 01.635 |
| 18 | 24 | Guanyu Zhou | Alfa Romeo Sauber | 25 | 1:35.456 | 02.106 |
| 19 | 81 | Oscar Piastri | McLaren | 21 | 1:35.474 | 02.124 |
| 20 | 2 | Logan Sargeant | Williams | 23 | 1:35.778 | 02.428 |
