Federer unsure about Olympics; will reassess after Wimbledon

FILE - Switzerland's Roger Federer returns the ball to Serbia's Novak Djokovic during the men's singles final match of the Wimbledon Tennis Championships in London, in this Sunday, July 14, 2019, file photo. The draw to set up the singles brackets for this year’s Wimbledon will be held Friday, June 25, 2021. Play begins Monday.(AP Photo/Tim Ireland, File)

Switzerland's Roger Federer attends a press conference prior to the Wimbledon Tennis Championships in London, Saturday June 26, 2021. (Florian Eisele/Pool via AP)

Switzerland's Roger Federer, left, and Britain's Andy Murray, right, on Court 14 for a practice session prior to the Wimbledon Tennis Championships in London, Friday June 25, 2021. (David Gray/Pool via AP)