Snooker scores LIVE: Ronnie O'Sullivan, John Higgins and Judd Trump updates on huge day

It's quarter-final day at the and four mouth-watering ties are set to unfold for lucky ticket holders at the Crucible. is frustrated by how he's been playing, but the Rocket still breezed through to the last eight with wins over and Pang Junxu. Today, he faces Si Jiahui in a tantalising best-of-13-frame contest.

Two other 'Class of 92' big-hitters are also in action, with taking on in a blockbuster clash. And anything could happen in the showdown between world No. 1 and former world champion . Completing the line-up is Chris Wakelin and Zhao Xintong, who have been given the earlier slot with Higgins and Williams. See below for Express Sport's frame-by-frame snooker updates...