1 | 1 | United States Grand Prix | 5 | Thierry Boutsen | Williams FW13B | Renault RS2 | 9 | 3 |
2 | 3 | San Marino Grand Prix | 6 | Riccardo Patrese | Williams FW13B | Renault RS2 | 3 | 1 |
3 | 8 | British Grand Prix | 5 | Thierry Boutsen | Williams FW13B | Renault RS2 | 4 | 2 |
4 | 10 | Hungarian Grand Prix | 5 | Thierry Boutsen | Williams FW13B | Renault RS2 | 1 | 1 |