Ding Junhui of China observes during the first round match against Duane Jones of Wales at the Snooker UK Championship 2019 in York, Britain on Nov. 27, 2019. (Xinhua/Han Yan)

Ding Junhui of China competes during the first round match against Duane Jones of Wales at the Snooker UK Championship 2019 in York, Britain on Nov. 27, 2019. (Xinhua/Han Yan)

Duane Jones of Wales competes during the first round match against Ding Junhui of China at the Snooker UK Championship 2019 in York, Britain on Nov. 27, 2019. (Xinhua/Han Yan)

Ding Junhui of China competes during the first round match against Duane Jones of Wales at the Snooker UK Championship 2019 in York, Britain on Nov. 27, 2019. (Xinhua/Han Yan)

Ding Junhui of China reacts during the first round match against Duane Jones of Wales at the Snooker UK Championship 2019 in York, Britain on Nov. 27, 2019. (Xinhua/Han Yan)

Ding Junhui of China reacts during the first round match against Duane Jones of Wales at the Snooker UK Championship 2019 in York, Britain on Nov. 27, 2019. (Xinhua/Han Yan)

Ding Junhui of China competes during the first round match against Duane Jones of Wales at the Snooker UK Championship 2019 in York, Britain on Nov. 27, 2019. (Xinhua/Han Yan)