| Date | Grandprix | Team | Winning Time | Leader Offset | Pos | Pts | Total |
| 11/03/1990 | United States | Williams | 112:32.829 | +1 lap | 9 | 0 | 0 |
| 25/03/1990 | Brazil | Williams | 97:21.258 | +6 laps | 13 | 0 | 0 |
| 13/05/1990 | San Marino | Williams | 90:55.478 | 1 | 9 | 9 | |
| 27/05/1990 | Monaco | Williams | Retirement - Valves | 0 | 9 | ||
| 10/06/1990 | Canada | Williams | Retirement - Brakes | 0 | 9 | ||
| 24/06/1990 | Mexican | Williams | 92:35.783 | +1.9.918 | 9 | 0 | 9 |
| 08/07/1990 | France | Williams | 93:29.606 | +1.9.351 | 6 | 1 | 10 |
| 15/07/1990 | Britain | Williams | Retirement - Accident | 0 | 10 | ||
| 29/07/1990 | Germany | Williams | 80:47.164 | +0.48.028 | 5 | 2 | 12 |
| 12/08/1990 | Hungary | Williams | 109:30.597 | +0.31.833 | 4 | 3 | 15 |
| 26/08/1990 | Belgium | Williams | Retirement - Gearbox | 0 | 15 | ||
| 09/09/1990 | Italy | Williams | 77:57.878 | +1.25.274 | 5 | 2 | 17 |
| 23/09/1990 | Portugese | Williams | 82:11.014 | +1 lap | 7 | 0 | 17 |
| 30/09/1990 | Spain | Williams | 108:1.461 | +0.057.53 | 5 | 2 | 19 |
| 21/10/1990 | Japan | Williams | 94:36.824 | +0.36.258 | 4 | 3 | 22 |
| 04/11/1990 | Australia | Williams | 109:44.57 | +1 lap | 6 | 1 | 23 |