Mark Williams insists he is not a contender to win the World Grand Prix despite reaching the quarter-finals.
The Welshman won a second successive final-frame decider to beat Ricky Walden 4-3 in the second round in Llandudno.
Williams, 39, will face Judd Trump in the last eight on Friday but is playing down his chances of taking the inaugural title.
"I'm not going to say I'm a serious contender," Williams said.
"I'm certainly playing a lot better than I was and I'm a game for anyone, but as a contender probably not.
"I'm on a little roll at the moment which I know will end sooner or later but I'm just enjoying it while it keeps going."
Trump came from 1-0 down to beat Joe Perry 4-2 with top breaks of 70, 60, 57 and 69.
Ronnie O'Sullivan thrashed Robert Milkins 4-0 in just 55 minutes to reach the last eight, where he will face Graeme Dott.
Former world champion Dott edged out China's Liang Wenbo 4-3 in a tight contest.
Mark Davis beat Neil Robertson 4-3 will next face Stuart Bingham, who beat Matthew Selt 4-2.
World champion Mark Selby suffered a surprise 4-2 defeat against Martin Gould and Peter Ebdon saw off Stephen Maguire 4-1.
Friday's quarter-final draw:
13:00 GMT: Mark Davis v Stuart Bingham
Not before 14:00 GMT: Martin Gould v Peter Ebdon
Not before 19:00 GMT: Ronnie O'Sullivan v Graeme Dott
Not before 20:00 GMT: Judd Trump v Mark Williams