Peng Shuai of China wipes her face during the women's singles match against Samantha Stosur of Australia on the second day at the Wimbledon Tennis Championships in London, on July 3, 2018. China's Foreign Ministry is sticking to its line that it isn't aware of the controversy surrounding tennis professional Peng Shuai, who disappeared after accusing a former top official of sexually assaulting her. A ministry spokesperson said Friday that the matter was not a diplomatic question and that he was not aware of the situation. (AP Photo/Tim Ireland, File)