10:00Snooker: World Championship - 2019Snooker: World ChampionshipBBC Sport Duration: 3 hours, 29 minutes Sat 20th Apr 2019, 10:00 on Red Button OneMark Williams begins the defence of his title. Hazel Irvine introduces live coverage from the Crucible Theatre in Sheffield.GenresSportSportSnookerFormatsPerformances & EventsSeriesSnooker: World Championship - 2019 Source: BBC Online
