John Higgins to face Mark Williams after marathon victory over Xiao

Three-time winner Williams got through after wrapping up a 13-10 victory over Hossein Vafaei earlier in the day.

ON TO THE NEXT: John Higgins celebrates after beating Xiao Guodong during day eight of the Halo World Snooker Championship at the Crucible Theatre, Sheffield. Picd: Danny Lawson/PA Wire

John Higgins will face Mark Williams in the World Championship quarter-finals after the Scot emerged with a 13-12 victory from his marathon clash with Xiao Guodong.

After the contest could not be finished inside three sessions, the pair resumed on Saturday evening with Higgins 12-11 up.