00:20Snooker: World Championship2021 ExtraDay 12BBC Sport Duration: 1 hour, 59 minutes Thu 29th Apr 2021, 00:20 on BBC Two EnglandExtended highlights from the twelfth day's matches.GenresSportSnookerBrandSnooker: World ChampionshipSeriesSnooker: World Championship: 2021 Extra Source: BBC Online