World Snooker Championship 2018: Watch five best shots as Joe Perry knocks champion Mark Selby out
- Matches best of 19 frames
- Result: Mark Selby 4-10 Joe Perry
- End of session: Ali Carter 3-6 Graeme Dott
- End of session: Kyren Wilson 7-2 Matthew Stevens
- End of session: Ronnie O’Sullivan 3-6 Stephen Maguire
- End of session: Marco Fu 3-6 Lyu Haotian
BBC Sport at the Crucible Theatre
Settle in for a busy first day of coverage across BBC TV, the BBC Sport website and mobile app.
13:45-16:35, BBC One
10:00-14:00 & 19:00-20:00, BBC Two (19:00-20:00 not available in Scotland and Northern Ireland)
10:00-13:00, 16:30-18:00 & 19:00-23:00, BBC Red Button
Tables One & Two, 10:00-14:00; 14:30-18:30; 19:00-23:00, BBC iPlayer, Connected TV and online
00:05-00:55 - BBC Two
00:55-02:55 - BBC Two
13:00-14:30 & 18:00-19:00 - BBC Red ButtonCopyright: Rex Features
The World Championship is snooker's biggest event and has been staged since 1927. It has been hosted in its modern form by Sheffield's Crucible Theatre since 1977.
It is one part of snooker's 'Triple Crown' events alongside the UK Championship and the Masters.
The event has seen some of the biggest names in snooker throughout the decades win the trophy, including Stephen Hendry (seven titles) and Ronnie O'Sullivan (five titles).
Last year's final saw Mark Selby beat John Higgins 18-15 in a thrilling final to win the World Championship for the third time in four years.The world number one is only the fourth player after Steve Davis, Stephen Hendry and Ronnie O'Sullivan to claim back-to-back titles in the modern era.
Whether you choose to play competitively or socially, snooker is sure to get your brain working.
It requires skill and concentration and will improve your focus and hand-eye coordination.
Anyone can play regardless of age, gender or ability and it's not an expensive sport to get into.
Snooker is essentially a simple sport, once the rules of the game have been learnt - to do just that click here.