World Championship Snooker Extra2013Day 10BBC Two Duration: 2 hoursFirst broadcast: Tue 30th Apr 2013, 00:10 on BBC Two HDLatest broadcast: Tue 30th Apr 2013, 00:40 on BBC Two Northern IrelandHighlights from the afternoon's second-round matches, where quarter-final places were up for grabs.ContributorsParticipant:Steve DavisParticipant:Ken DohertyParticipant:John ParrottParticipant:Stephen HendryParticipant:Terry GriffithsParticipant:Dennis TaylorParticipant:Willie ThorneParticipant:John VirgoExecutive Producer:Alison WitkoverExecutive Producer:Graham FryGenresSportSnookerBrandWorld Championship Snooker ExtraSeriesWorld Championship Snooker Extra: 2013 Source: BBC Online