Ronnie O'Sullivan marches into semi-final of the Masters

O’Sullivan was never behind at Alexandra Palace, winning the opening frame with a 63 break before Selby pulled level.

Ronnie O’Sullivan completed a tremendous clearance to beat Mark Selby and book his spot in the semi-finals of the Masters.

O’Sullivan is back on the big stage after eight months away and battled to a 6-5 victory over Mark Williams in round one.