 Testut akapinda mu2 Formula One World Championship Grand Prix, zvose zviri muMonaco, muna 1958 na1959. Muzviitiko zvose zvacho akatyaira Maserati yake 250F uye nguva dzose akakundikana kukodzera. Muna 1958 akapindawo mumotokari yaChiron. Nokuda kwavatyairi vose vari vaviri kwaizova kuedza kwavo kwokupedzisira kumhanyira muMonaco. Tesnut akaita zviri nani pa1958 Syracuse Grand Prix paakasiya basa nekutadza kweinjini paakanga achimhanya wechinomwe aine gumi gumi kuti apedze. 