Pakistan, Feb. 11 -- The world number one has had a productive season so far with victories at the UK Championship, the Masters and the World Grand Prix.

But his success has been increasingly underpinned by health concerns that have seen him withdraw from a series of lesser ranking events.

O'Sullivan wrote on X, formerly Twitter: "Morning guys, I wanted to let you know that I've decided I'm not able to play in Llandudno next week. "It's hard to explain but for years I've suffered from stage fright at times, brought on by anxiety. It's not something I can predict or control but I try to manage it as best as I can. "I'm sorry to everyone who's bought tickets but I just can't get my cue out when I feel like this and I think this is what's ...