3 May 2012 Last updated at 07:11

Ronnie O'Sullivan hits century en route to semi-final

WORLD SNOOKER CHAMPIONSHIP

  • Venue: Crucible Theatre, Sheffield
  • Dates: 21 April to 7 May
  • Times: Sessions at 1000, 1430 & 1900 BST

Coverage: Live on BBC TV, HD Channel, Red Button and online; Twitter updates #bbcsnooker

Three-time world champion Ronnie O'Sullivan hits a rapid 104 on his way to a 13-10 quarter-final victory over 2010 champion Neil Robertson.

The Rocket will play Matthew Stevens in the last four.

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