China’s 4 contenders at 2022 World Snooker Championship: who are they and how can I watch them?

• Ding Junhui, Yan Bingtao, Zhao Xintong and Lyu Haotian all feature in snooker’s showpiece event in Sheffield
• World No 7 and UK champion Zhao is first in action on Saturday and Sunday, while Ding makes his 16th appearance