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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Monday Morning Sports Update
Kildare Football Team vs Derry
Tottenham Set To Appoint Igor Tudor As Interim Head Coach
Two League Of Ireland Games Postponed Due To Weather Conditions
ROI Begin Their National League Campaign Away To Kosovo On September 24th
Friday Morning Sports Update