MELBOURNE, VIC - JANUARY 28: Roger Federer of Switzerland returns the ball during the quarterfinals of the 2020 Australian Open on January 28 2020, at Melbourne Park in Melbourne, Australia. (Photo by Jason Heidrich/Icon Sportswire via Getty Images)
MELBOURNE, VIC - JANUARY 28: Roger Federer of Switzerland returns the ball during the quarterfinals of the 2020 Australian Open on January 28 2020, at Melbourne Park in Melbourne, Australia. (Photo by Jason Heidrich/Icon Sportswire via Getty Images)