Mark Williams edges second session but Zhao Xintong boasts commanding lead - Qualifier takes an 11-6 advantage into Monday’s finale, with seven more frames needed to become China’s first-ever Crucible

Mark Williams will have to mount a fightback for the ages if he is to win his fourth world title, after succumbing to an outstanding display of snooker by Zhao Xintong, the rising star of the game, who has raced into a 7-1 lead in the final at The Crucible.