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

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