| Date | Grandprix | Team | Winning Time | Leader Offset | Pos | Pts | Total |
| 11/03/1990 | United States | Williams | 112:32.829 | +0.054.08 | 3 | 4 | 4 |
| 25/03/1990 | Brazil | Williams | 97:21.258 | +1 lap | 5 | 2 | 6 |
| 13/05/1990 | San Marino | Williams | Retirement - Engine | 0 | 6 | ||
| 27/05/1990 | Monaco | Williams | 112:46.982 | +1 lap | 4 | 3 | 9 |
| 10/06/1990 | Canada | Williams | Retirement - Accident With Larini | 0 | 9 | ||
| 24/06/1990 | Mexican | Williams | 92:35.783 | +0.46.669 | 5 | 2 | 11 |
| 08/07/1990 | France | Williams | Retirement - Engine | 0 | 11 | ||
| 15/07/1990 | Britain | Williams | 78:30.999 | +0.39.092 | 2 | 6 | 17 |
| 29/07/1990 | Germany | Williams | 80:47.164 | +1.21.491 | 6 | 1 | 18 |
| 12/08/1990 | Hungary | Williams | 109:30.597 | 1 | 9 | 27 | |
| 26/08/1990 | Belgium | Williams | Retirement - Transmission | 0 | 27 | ||
| 09/09/1990 | Italy | Williams | Retirement - Suspension | 0 | 27 | ||
| 23/09/1990 | Portugese | Williams | Retirement - Gearbox | 0 | 27 | ||
| 30/09/1990 | Spain | Williams | 108:1.461 | +0.43.296 | 4 | 3 | 30 |
| 21/10/1990 | Japan | Williams | 94:36.824 | +0.46.884 | 5 | 2 | 32 |
| 04/11/1990 | Australia | Williams | 109:44.57 | +1.51.16 | 5 | 2 | 34 |