Ishikawa Kasumi (R) of Japan reacts during the women's singles quarterfinal match against compatriot Ito Mima at the 2018 Seamaster ITTF World Tour Platinum China Open in Shenzhen, south China's Guangdong Province, June 2, 2018. Ishikawa Kasumi lost 2-4. (Xinhua/Wang Dongzhen)