With Ensign, he scored a second point in the 1975 German Grand Prix, making him the fifth most successful Dutch Formula One driver behind Max Verstappen, Jos Verstappen, Carel Godin de Beaufort and Christijan Albers.
Con Ensign, anotou un segundo punto no Gran Premio de Alemaña de 1975, sendo así o quinto piloto holandés máis exitoso da Fórmula Un detrás de Max Verstappen, Jos Verstappen, Carel Godin de Beaufort e Christijan Albers.