Welshman Nick Kenny upset the odds of the PDC Home Tour by finishing top of his group on night five.
Kenny began the night as the lowest-ranked at 106th, but beat three higher-placed opponents.
He saw of World Youth Champion Luke Humphries 5-3, Joe Murnan 5-2 and Devon Peterson 5-3.
A delighted Kenny said: "I'm on paper the worst player in the group. It proves I can compete with the big boys."