Video PlayerClose
Dominic Thiem of Austria serves during the men's singles semifinal match against Karen Khachanov of Russia at 2019 China Open tennis tournament in Beijing, capital of China, Oct.5, 2019. (Xinhua/Li Yibo)
Dominic Thiem of Austria serves during the men's singles semifinal match against Karen Khachanov of Russia at 2019 China Open tennis tournament in Beijing, capital of China, Oct.5, 2019. (Xinhua/Li Yibo)