Roger Federer was involved in a rant with the chair umpire and lineswoman during his five-set victory over Tennys Sandgren at the Australian Open 2020.
After Roger Federer saved seven match points to reserve his semifinal berth in Melbourne, Novak Djokovic and Milos Raonic took over the Rod Laver Arena.
The great escape continued for Roger Federer at the Australian Open 2020 as he defeats Tennys Sandgren 6-4, 2-6, 2-6, 7-6(8), 6-3 in the quarterfinals.