Chinese Tapei's Chuang Chih-yuan loses to Germany's Timo Boll 3-4 at German Open

Chinese Tapei's Chuang Chih-yuan reacts during the men's singles round of 16 match against Germany's Timo Boll at the 2018 ITTF World Tour Platinum German Open in Bremen, Germany, on March 24, 2018. Chuang Chih-yuan lost by 3-4. (Xinhua/Binh Truong)