| Active years: | 1967 – 1969 (3) |
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| Rd | Date | Grand Prix | Driver | Constructor | Car | Grid | Race | Pts |
| 1 | 1 Jan | South Africa | Jo Siffert | Cooper-Maserati | T81 | 16 | 7 | 0 |
| 2 | 12 May | Spain | Jo Siffert | Lotus-Ford Cosworth | 49 | 10 | Ret | 0 |
| 3 | 26 May | Monaco | Jo Siffert | Lotus-Ford Cosworth | 49 | 3 | Ret | 0 |
| 4 | 9 Jun | Belgium | Jo Siffert | Lotus-Ford Cosworth | 49 | 9 | 7 | 0 |
| 5 | 23 Jun | Netherlands | Jo Siffert | Lotus-Ford Cosworth | 49 | 13 | Ret | 0 |
| 6 | 7 Jul | France | Jo Siffert | Lotus-Ford Cosworth | 49 | 11 | 11 | 0 |
| 7 | 21 Jul | Great Britain | Jo Siffert | Lotus-Ford Cosworth | 49B | 4 | 1 | 9 |
| 8 | 4 Aug | Germany | Jo Siffert | Lotus-Ford Cosworth | 49B | 9 | Ret | 0 |
| 9 | 8 Sep | Italy | Jo Siffert | Lotus-Ford Cosworth | 49B | 9 | Ret | 0 |
| 10 | 22 Sep | Canada | Jo Siffert | Lotus-Ford Cosworth | 49B | 3 | Ret | 0 |
| 11 | 6 Oct | United States | Jo Siffert | Lotus-Ford Cosworth | 49B | 12 | 5 | 2 |
| 12 | 3 Nov | Mexico | Jo Siffert | Lotus-Ford Cosworth | 49B | 1 | 6 | 1 |