Xu Xin (R) and Liu Shiwen (L) of China listen to their coach Ma Lin during the mixed double first round match against Patrick Franziska and Petrissa Solja of Germany at ITTF World Tour Platinum, Qatar Open in the Qatari capital Doha on March 28, 2019. Xu Xin and Liu Shiwen won 3-0. (Xinhua/Nikku)