 Mason also reached the quarter finals of the World Grand Prix events in 1999 and 2000, losing to Peter Manley and Taylor respectively.Mason enjoyed his best achievement in the 1999 BDO World Championship, when he recovered from 1–4 down in sets in his best-of-nine quarter-final match against Martin Adams, survived many match darts against him before eventually winning 5-4 in sets, winning by 6–4 in legs in the deciding set.This match is regarded as one of the best matches on television, and it included 29 180s between the players; 13 for Mason and 16 for Adams.