
Mark Selby of England competes during the fourth session of the semifinal match against Ding Junhui of China during the World Snooker Championship 2017 at the Crucible Theatre in Sheffield, Britain, on April 29, 2017. (Xinhua/Han Yan)

Mark Selby of England competes during the fourth session of the semifinal match against Ding Junhui of China during the World Snooker Championship 2017 at the Crucible Theatre in Sheffield, Britain, on April 29, 2017. (Xinhua/Han Yan)