Live coverage of the world championship quarter- finals from the Crucible Theatre.
At this stage last year
Stephen Lee reached the semi-finals for the first time with a 13-7 win over Marco Fu. He was, however, given short shrift in the next round by the eventual champion Mark Williams 17-8.
Introduced by Hazel Irvine , with Steve Davis and John Parrott. Ray Edmonds ,
Clive Everton , Terry Griffiths , Dennis Taylor , Willie Thorne and John Virgo provide the commentary. www.bbc.co.uk/snooker BBCi: from 10am digital viewers can access live coverage of both tables, plus a news and statistics service, via the red button on their handset