In 2017, Mark Selby successfully defended his World Championship title in a hard-fought final against four-time champion John Higgins. The number one seed begins the defence of the title, as the climax to the snooker season gets underway. With nine frames to play in the morning session and a maximum of ten in the evening, can the reigning champion continue where he left off 12 months ago?

Hazel Irvine introduces live coverage from the Crucible Theatre in Sheffield. Show less