However, Castlederg's Dermot McGlinchey has failed to make the final stages after losing out 5-1 to Dominic Dale.
BBC: SPORT | Other Sport... | Snooker | Allen secures place at Waterfront
2.
Murphy, who had dropped to the bench but came on as a half-time substitute for the man who started ahead of him, Michael McGlinchey, side-footed home after being set up on the edge of the box following a mazy O'Brien run.