23:50World Championship Snooker Extra2013Day 9BBC Two Duration: 2 hours Sun 28th Apr 2013, 23:50 on BBC Two EnglandExtended highlights from the afternoon's second-round matches.ContributorsParticipant:Steve DavisParticipant:Ken DohertyParticipant:John ParrottParticipant:Terry GriffithsParticipant:Dennis TaylorParticipant:Willie ThorneParticipant:John VirgoExecutive Producer:Alison WitkoverExecutive Producer:Graham FryGenresSportSnookerBrandWorld Championship Snooker ExtraSeriesWorld Championship Snooker Extra: 2013 Source: BBC Online