He won his first local race, the Grand Prix du Comminges of 1926, at Saint-Gaudens, near Toulouse, and went on to drive a Bugatti and an Alfa Romeo P3 to victories in the Marseille Grand Prix, the Circuit of Masaryk, and the Spanish Grand Prix. In the Indianapolis 500 of 1929, he drove a Delage to 7th place. He won the 1931 Monaco Grand Prix—the only Monégasque driver to have won his home grand prix—and in 1933 he partnered with specialist endurance racer Luigi Chinetti to win the Spa 24 hours race.
