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England's Ronnie O'Sullivan competes during the first round second session with England's James Cahill at the World Snooker Championship 2019 in Sheffield, Britain on April 23, 2019. O'Sullivan lost 8-10. (Xinhua/Craig Brough)
England's Ronnie O'Sullivan competes during the first round second session with England's James Cahill at the World Snooker Championship 2019 in Sheffield, Britain on April 23, 2019. O'Sullivan lost 8-10. (Xinhua/Craig Brough)