At the 2013 BDO World Darts Championship, Green was seeded fifth. He faced defending champion Christian Kist in the first round and beat him 3-1. He then defeated Scott Mitchell 4-1 in the second round to reach his first World Championship quarter-final, where he faced Tony O'Shea. Green won the first set and had eight darts at double to win the second, but missed and eventually lost the match 5-3 having never retaken the lead.