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Mark Williams of Wales competes during the third round match against Mark Allen of Northern Ireland at 2018 World Snooker China Open tournament in Beijing, capital of China, April 5, 2018. (Xinhua/Zhang Chenlin)
Mark Williams of Wales competes during the third round match against Mark Allen of Northern Ireland at 2018 World Snooker China Open tournament in Beijing, capital of China, April 5, 2018. (Xinhua/Zhang Chenlin)