19:00Snooker: World Championship2017Episode 21: Day 4, Evening SessionBBC Two Duration: 4 hours Tue 18th Apr 2017, 19:00 on Red Button (Satellite and Cable)Full coverage of Tuesday's evening session from the Crucible, Sheffield.GenresSportSnookerBrandSnooker: World ChampionshipSeriesSnooker: World Championship: 2017 Source: BBC Online
