Serbia's Novak Djokovic plays a return to South Africa's Kevin Anderson during the men's singles second round match on day three of the Wimbledon Tennis Championships in London, Wednesday June 30, 2021. (AP Photo/Alastair Grant)

FILE - Japan's Naomi Osaka returns to Kazakstan's Yulia Putintseva in a women's singles match during day one of the Wimbledon Tennis Championships in London, in this Monday, July 1, 2019, file photo. Osaka’s agent says the four-time Grand Slam champion will sit out Wimbledon and compete at the Tokyo Olympics. Stuart Duguid wrote Thursday, June 17, 2021, in an email that Osaka “is taking some personal time with friends and family. She will be ready for the Olympics and is excited to play in front of her home fans.” (AP Photo/Kirsty Wigglesworth, File)

Spain's Carla Suarez Navarro leaves the court after being defeated by Australia's Ashleigh Barty, left, in the women's singles first round match against on day two of the Wimbledon Tennis Championships in London, Tuesday June 29, 2021. (AP Photo/Kirsty Wigglesworth)

Switzerland's Roger Federer plays a return to Adrian Mannarino of France during the men's singles first round match on day two of the Wimbledon Tennis Championships in London, Tuesday June 29, 2021. (AP Photo/Kirsty Wigglesworth)