2018 World Snooker Championship Draw :
https://snookerhq.com/2018/04/19/2018-world-snooker-championship-draw/
World Snooker Championship 2018: Ronnie O'Sullivan faces Stephen Maguire; Mark Selby plays Joe Perry :
https://www.bbc.co.uk/sport/snooker/43814793
World Snooker Championship 2018 Draw: Selby handed Perry opener as O’Sullivan meets Maguire :
http://www.livesnooker.com/category...snooker-championship-2018-draw-20180419-0001/
O’Sullivan to face Maguire at Crucible :
http://www.worldsnooker.com/2018-betfred-world-championship-draw/
2018 World Snooker Championship: Draw, Schedule, Seedings, Results, Odds and Eurosport coverage ;
https://www.eurosport.co.uk/snooker...and-eurosport-coverage_sto6716606/story.shtml
https://snookerhq.com/2018/04/19/2018-world-snooker-championship-draw/
World Snooker Championship 2018: Ronnie O'Sullivan faces Stephen Maguire; Mark Selby plays Joe Perry :
https://www.bbc.co.uk/sport/snooker/43814793
World Snooker Championship 2018 Draw: Selby handed Perry opener as O’Sullivan meets Maguire :
http://www.livesnooker.com/category...snooker-championship-2018-draw-20180419-0001/
O’Sullivan to face Maguire at Crucible :
http://www.worldsnooker.com/2018-betfred-world-championship-draw/
2018 World Snooker Championship: Draw, Schedule, Seedings, Results, Odds and Eurosport coverage ;
https://www.eurosport.co.uk/snooker...and-eurosport-coverage_sto6716606/story.shtml