Video caption: World Snooker Championship: Watch five best shots as Joe Perry knocks champion Selby outWorld Snooker Championship: Watch five best shots as Joe Perry knocks champion Selby out
World Snooker Championship 2018: Watch five best shots as Joe Perry knocks champion Mark Selby out
Video caption: World Snooker Championship: Champion Mark Selby 7-2 down to Joe PerryWorld Snooker Championship: Champion Mark Selby 7-2 down to Joe Perry
'I believe I am the favourite to win the World Championships' - Ding Junhui
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Video caption: Chinese snooker star Ding Junhui is confident as the World Championships get under way.Chinese snooker star Ding Junhui is confident as the World Championships get under way.
When can I watch today?
All times are BST and subject to late changes.
Settle in for a busy first day of coverage across BBC TV, the BBC Sport website and mobile app.
Live
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
Highlights
00:05-00:55 - BBC Two
Extra
00:55-02:55 - BBC Two
Replays
13:00-14:30 & 18:00-19:00 - BBC Red Button
Rex FeaturesCopyright: Rex Features
What is it?
2018 World Snooker Championship
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).
Getty ImagesCopyright: Getty Images
World Snooker Championship trophyImage caption: World Snooker Championship trophy
Last time out
2017 World Snooker Championship
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.
Video content
Video caption: Watch the moment Selby clinched third world titleWatch the moment Selby clinched third world title
Get inspired: How to get into snooker
Get Inspired
#GetInspired
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.
Video content
Video caption: Get Inspired: How World Snooker is helping build confidence in the communityGet Inspired: How World Snooker is helping build confidence in the community
Live Reporting
All times stated are UK
Get involved
Video caption: World Snooker Championship: Watch five best shots as Joe Perry knocks champion Selby outWorld Snooker Championship: Watch five best shots as Joe Perry knocks champion Selby out 
Video caption: World Snooker Championship: Champion Mark Selby 7-2 down to Joe PerryWorld Snooker Championship: Champion Mark Selby 7-2 down to Joe Perry Video caption: Chinese snooker star Ding Junhui is confident as the World Championships get under way.Chinese snooker star Ding Junhui is confident as the World Championships get under way. 
Rex FeaturesCopyright: Rex Features 
Getty ImagesCopyright: Getty Images World Snooker Championship trophyImage caption: World Snooker Championship trophy Video caption: Watch the moment Selby clinched third world titleWatch the moment Selby clinched third world title 
Video caption: Get Inspired: How World Snooker is helping build confidence in the communityGet Inspired: How World Snooker is helping build confidence in the community
Latest PostPerry knocks out champion Selby - best five shots
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World Snooker Championship 2018: Watch five best shots as Joe Perry knocks champion Mark Selby out
Champion Selby out in first round
By Shamoon Hafez
BBC Sport at the Crucible Theatre
Defending champion Mark Selby is knocked out in the first round of the World Championship after a shock 10-4 defeat by Joe Perry.
Read moreIs champion Selby set for first-round exit?
Video content
'I believe I am the favourite to win the World Championships' - Ding Junhui
Video content
When can I watch today?
All times are BST and subject to late changes.
Settle in for a busy first day of coverage across BBC TV, the BBC Sport website and mobile app.
Live
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
Highlights
00:05-00:55 - BBC Two
Extra
00:55-02:55 - BBC Two
Replays
13:00-14:30 & 18:00-19:00 - BBC Red Button
What is it?
2018 World Snooker Championship
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 time out
2017 World Snooker Championship
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.
Video content
Get inspired: How to get into snooker
Get Inspired
#GetInspired
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.
Video content