(FILES) In this file photo taken on May 29, 2018, China's Peng Shuai hits a return against Serbia's Aleksandra Krunic during their women's singles first round match on day three of The Roland Garros 2018 French Open tennis tournament in Paris. - The head of the Women's Tennis Association "remains deeply concerned" about Chinese star Peng Shuai, following her accusations of sexual assault against a powerful politician, a spokeswoman told AFP on November 28, 2021. (Photo by Eric Feferberg / AFP)