1 | 3 | Belgian Grand Prix | 20 | Prince Bira | Maserati 250F | Maserati 250F | 13 | 6 |
2 | 4 | French Grand Prix | 46 | Prince Bira | Maserati 250F | Maserati 250F | 6 | 4 |
3 | 5 | British Grand Prix | 6 | Prince Bira | Maserati 250F | Maserati 250F | 10 | DNF |
4 | 6 | German Grand Prix | 14 | Prince Bira | Maserati 250F | Maserati 250F | 19 | DNF |
5 | 9 | Spanish Grand Prix | 18 | Prince Bira | Maserati 250F | Maserati 250F | 15 | 9 |