1 | 2020 | Austria | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 20 | 11 | |
| 2020 | Austria | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 17 | ab | Fuel pressure |
2 | 2020 | Styria | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | 17 | |
| 2020 | Styria | Williams Racing | 40 | AITKEN Jack | Mercedes M11 EQ Performance V6 t h | Pirelli | | t | Third driver |
| 2020 | Styria | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 11 | 16 | |
3 | 2020 | Hungary | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 15 | 19 | |
| 2020 | Hungary | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 12 | 18 | |
4 | 2020 | Britain | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | 15 | |
| 2020 | Britain | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 20 | 12 | |
5 | 2020 | 70th Anniversary | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | 19 | |
| 2020 | 70th Anniversary | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 15 | 18 | |
6 | 2020 | Spain | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 19 | 18 | |
| 2020 | Spain | Williams Racing | 40 | NISSANY Roy | Mercedes M11 EQ Performance V6 t h | Pirelli | | t | Third driver |
| 2020 | Spain | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | 17 | |
7 | 2020 | Belgium | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 19 | 16 | |
| 2020 | Belgium | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 15 | ab | Accident |
8 | 2020 | Italy | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 20 | 11 | |
| 2020 | Italy | Williams Racing | 40 | NISSANY Roy | Mercedes M11 EQ Performance V6 t h | Pirelli | | t | Third driver |
| 2020 | Italy | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 19 | 14 | |
9 | 2020 | Tuscany | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 19 | ab | Pile-up |
| 2020 | Tuscany | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | 11 | |
10 | 2020 | Russia | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 20 | 16 | |
| 2020 | Russia | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 13 | 18 | |
11 | 2020 | Eifel | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | 14 | |
| 2020 | Eifel | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 17 | ab | Collision |
12 | 2020 | Portugal | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 20 | 18 | |
| 2020 | Portugal | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 14 | 14 | |
13 | 2020 | Emilia-Romagna | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 19 | 11 | |
| 2020 | Emilia-Romagna | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 13 | ab | Accident |
14 | 2020 | Turkey | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | ab | Collision |
| 2020 | Turkey | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 20 | 16 | |
15 | 2020 | Bahrain | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 20 | 14 | |
| 2020 | Bahrain | Williams Racing | 40 | NISSANY Roy | Mercedes M11 EQ Performance V6 t h | Pirelli | | t | Third driver |
| 2020 | Bahrain | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 14 | 12 | |
16 | 2020 | Sakhir | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 16 | ab | Oil leak |
| 2020 | Sakhir | Williams Racing | 89 | AITKEN Jack | Mercedes M11 EQ Performance V6 t h | Pirelli | 17 | 16 | |
17 | 2020 | Abu Dhabi | Williams Racing | 6 | LATIFI Nicholas | Mercedes M11 EQ Performance V6 t h | Pirelli | 18 | 17 | |
| 2020 | Abu Dhabi | Williams Racing | 63 | RUSSELL George | Mercedes M11 EQ Performance V6 t h | Pirelli | 16 | 15 | |