Lewis had 145 to make 5-5 and missed the combination shot but hit double 20 anyway. He thought he do won the leg so went to retrieve his darts only for referee Owen Binks to say 130 scored.
'Jackpot' was in stitches with his opponent Jan Dekker not seeing the funny side of it; it put him off as he then went on to miss three matchdarts.
Watch the full video below:
https://www.youtube.com/watch?v=qxMjFlOBRH0