Ronnie O'Sullivan nonplussed by thought of sixth world championship crown

Ronnie O'Sullivan insisted he was "really not that bothered" about winning the Betfred World Championship for a sixth time after he reached the quarter-finals on Saturday with a 13-7 victory over Shaun Murphy.

O'Sullivan fired two centuries and nine further breaks over 50 as he secured a spot in the last eight, where he was joined by John Higgins, who beat Mark Allen 13-9, and Ding Junhui, a 13-12 victor over Liang Wenbo.