FILE - China's Peng Shuai serves to France's Caroline Garcia during their second round match of the French Open tennis tournament at the Roland Garros stadium, on May 31, 2018 in Paris. 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/Michel Euler, File)