Five-frame comeback sees Ronnie O'Sullivan set up world semi-final with Mark Selby
Ronnie O’Sullivan erased a five-frame deficit to beat Mark Williams 13-10 and set up a semi-final meeting with Mark Selby.
O’Sullivan had reeled off four frames in a row to haul back to level from 8-4 down and went ahead for the first time in the match when breaks of 61 and 65 sent up 11-10 in front.




