He beat Stephen Maguire this morning.
Ronnie O'Sullivan is the first player through to the World Snooker Championship semi-finals.
The six-time champion has overcome Stephen Maguire by 13 frames to five this morning.
On the other table, Judd Trump has a 5-4 lead over Stuart Bingham.
This afternoon, John Higgins takes a 5-3 lead into his clash with Jack Lisowski, while Yan Bingtao and Mark Williams are level at 8-frames apiece.
Both of those matches are due to get back underway at 2.30pm.

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