Federer, who turns 40 next month, underwent two knee surgeries in 2020 that resulted in more than a year of rehabilitation, with the Swiss returning to the game in March – 13 months after his exit in the semi-finals of the Australian Open last year.
He withdrew from Roland Garros last month despite winning in the third round to save himself for the turf season, where he sought a record-breaking ninth Wimbledon title but was beaten in the quarter-finals by Hubert Hurkacz.
“During the grass season I unfortunately suffered a setback with my knee and agreed to retire from the Tokyo Olympics,” Federer said on Twitter.
-Roger Federer (@rogerfederer) 1626192973000
“I am very disappointed because it has been an honor and a highlight of my career every time I have represented Switzerland.
“I have already started rehabilitation with the hope of returning to the tour later this summer. I wish the whole Swiss team good luck and I will put down roots from afar.”
Federer won the doubles gold medal at the 2008 Beijing Games when he teamed up with Stan Wawrinka when he had to settle for singles silver four years later in London when he was beaten by Briton Andy Murray on center court at Wimbledon.
He was also Swiss flag bearer at the 2004 and 2008 Games.
Federer joins a list of big names to jump July 23-Aug. 8 Tokyo Games after Rafa Nadal, Dominic Thiem, Wawrinka, Nick Kyrgios, Serena Williams, Simona Halep and Bianca Andreescu also decided not to compete.
Novak Djokovic, who won the first three Grand Slam tournaments of the year, said he was “50-50” about competing in Tokyo following organizers’ decision to ban fans there. attend and restrictions on the number of people he can bring to the Games.