Vandoorne only needed to finish ahead of Evans to cement the title having gone into the race with a 21-point lead, and his job was made considerably easier as Evans only qualified 13th and had work to do to make up the gap.
But the Belgian continued the imperious form he has shown throughout the year, not putting a foot wrong and bringing it home in third place to cement the title - which became second as Jake Dennis was slapped with a five-second penalty for contact with polesitter Antonio Felix da Costa at Turn 22.
