1 | 2018 | Australia | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 13 | 14 | |
| 2018 | Australia | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | ab | Brakes |
2 | 2018 | Bahrain | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 20 | 14 | |
| 2018 | Bahrain | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 18 | 15 | |
3 | 2018 | China | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 18 | 14 | |
| 2018 | China | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 16 | 15 | |
4 | 2018 | Azerbaijan | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 10 | 8 | |
| 2018 | Azerbaijan | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 11 | ab | Collision |
5 | 2018 | Spain | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 18 | 11 | |
| 2018 | Spain | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 14 | |
| 2018 | Spain | Williams Martini Racing | 40 | KUBICA Robert | Mercedes M09 EQ Power+ V6 t h | Pirelli | | t | Third driver |
6 | 2018 | Monaco | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 17 | 17 | |
| 2018 | Monaco | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 13 | 16 | |
7 | 2018 | Canada | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 16 | ab | Collision |
| 2018 | Canada | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 17 | 17 | |
8 | 2018 | France | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 17 | Puncture |
| 2018 | France | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 18 | 15 | |
9 | 2018 | Austria | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 13 | 14 | |
| 2018 | Austria | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 16 | 13 | |
| 2018 | Austria | Williams Martini Racing | 40 | KUBICA Robert | Mercedes M09 EQ Power+ V6 t h | Pirelli | | t | Third driver |
10 | 2018 | Britain | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 12 | |
| 2018 | Britain | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 18 | 14 | |
11 | 2018 | Germany | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 17 | ab | Brakes |
| 2018 | Germany | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 12 | ab | Oil leak |
12 | 2018 | Hungary | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 20 | 17 | |
| 2018 | Hungary | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 16 | |
13 | 2018 | Belgium | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 16 | 13 | |
| 2018 | Belgium | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 15 | 12 | |
14 | 2018 | Italy | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 10 | 9 | |
| 2018 | Italy | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 12 | 10 | |
15 | 2018 | Singapore | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 20 | 14 | |
| 2018 | Singapore | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 19 | |
16 | 2018 | Russia | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 14 | 15 | |
| 2018 | Russia | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 13 | 18 | |
17 | 2018 | Japan | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 14 | 17 | |
| 2018 | Japan | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 17 | 16 | |
18 | 2018 | USA | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 15 | 14 | |
| 2018 | USA | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 14 | 13 | |
19 | 2018 | Mexico | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 17 | 12 | |
| 2018 | Mexico | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 13 | |
20 | 2018 | Brazil | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 18 | |
| 2018 | Brazil | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 14 | 16 | |
21 | 2018 | Abu Dhabi | Williams Martini Racing | 18 | STROLL Lance | Mercedes M09 EQ Power+ V6 t h | Pirelli | 20 | 13 | |
| 2018 | Abu Dhabi | Williams Martini Racing | 35 | SIROTKIN Sergey | Mercedes M09 EQ Power+ V6 t h | Pirelli | 19 | 15 | |
| 2018 | Abu Dhabi | Williams Martini Racing | 40 | KUBICA Robert | Mercedes M09 EQ Power+ V6 t h | Pirelli | | t | Third driver |