Ken Doherty beats Mark Williams 6-4 at 2019 World Snooker China Open tournament

Mark Williams of Wales competes during the first round match between Ken Doherty of Ireland and Mark Williams of Wales at 2019 World Snooker China Open tournament in Beijing, capital of China, April 2, 2019. Ken Doherty won 6-4. (Xinhua/Li Ying)