Masters champion Mark Allen has been knocked out of the Welsh Open after losing his match against Gary Wilson.
The world number nine lost a close third round contest against Wilson in a tense deciding frame.
The Northern Irishman recovered from losing the opening frame to lead 2-1 and 3-2 but Wilson reeled off the final two frames to secure the win.
Allen recorded a break of 54 in the decider but Wilson countered with a 79 to clinch victory by 91 points to 54.
Wilson advances to the quarter-finals where he will play John Astley, who defeated Northern Ireland's Gerard Greene 4-3 in their third round match.