King went into the 2010 PDC World Darts Championship as number 5 in the PDC Order of Merit. Despite a poor performance in the Championship where he lost 2–4 in the second round to Co Stompé, he still qualified for the 2010 Premier League Darts King reached his third PDC major final in the 2010 Players Championship Finals. Having beaten James Wade, Jelle Klaasen, Wayne Jones and Colin Osborne in earlier rounds, he narrowly lost in the final to Paul Nicholson 13–11. This was his third PDC Premier event final without victory. King also reached the last 16 in the 2010 UK Open, losing 8–9 to Gary Anderson. King hit his second televised nine-dart finish during the match.