 In 2016, he qualified for the Austrian Darts Open, where he made the quarter-finals by beating Roxy-James Rodriguez 6–4, reigning World Grand Prix champion Robert Thornton 6–5 and number six seed Ian White 6–0.Heydon was defeated 6–4 by Michael Smith.This was by far his best finish of the season as he only reached the last 32 twice in all the other events he played in.