The German will face World No 1 Novak Djokovic in the semifinals on Saturday after the Serbian secured top spot in Green Group with victories over Casper Ruud and Andrey Rublev.
As of now, Federer is aiming to be able to jog in January and resume tennis work two or three months after that
Novak Djokovic advanced to the semifinals of the ATP Finals by beating Andrey Rublev 6-3, 6-2.
The top-ranked Djokovic is attempting to match Roger Federer's record of six titles at the season-ending event
World No.1 Novak Djokovic said that the defeat in the US Open final to Russian Daniil Medvedev, which cost him the calendar Grand Slam, was "tough to swallow" and that a "part of me is very sad".
US Open 2021 champion Daniil Medvedev said the victory over World No. 1 Novak Djokovic in the tournament finals has given him the confidence for future events.
Novak Djokovic's bid for the first calendar-year Grand Slam in men's tennis since 1969 ended one victory short with a 6-4, 6-4, 6-4 loss to Daniil Medvedev in the US Open final on Sunday.
World No. 1 tennis player Novak Djokovic praised Daniil Medvedev for coming into the final of the US Open with a "lot of clarity" and "executing" the plans perfectly in the summit clash
Russia's Daniil Medvedev will look to deny Serbian Novak Djokovic his 21st major, which will also make him just the third man to complete the calendar Grand Slam
Beating No. 2 Daniil Medvedev on Sunday for the title will allow Djokovic to secure two significant milestones
Novak Djokovic on Tuesday cruised into the quarter-finals of the US Open that put him just nine sets away from completing the calendar-year Grand Slam
Novak Djokovic did not seek to keep his thoughts to himself on court, the way he mostly did through his first two U.S. Open matches
Novak Djokovic came to the Tokyo Olympics aiming for a Golden Slam.
World number one Novak Djokovic missed out on a bronze medal at the Tokyo Olympics as he lost against Spain's Pablo Carreno Busta
World No. 1 Novak Djokovic of Serbia cannot achieve a 'Golden Slam' now after losing to Germany's Alexander Zverev in the men's singles semifinals at the Tokyo Olympic Games here on Friday
The top-ranked Serb lost to Alexander Zverev of Germany 1-6, 3-6, 6-1
Serbian tennis star Novak Djokovic cruised into the semi-finals of men's singles event at the Tokyo Olympics here at Ariake Tennis Park on Thursday
With the topic of athletes' mental health and pressure being discussed at the Olympics, Novak Djokovic said pressure is a privilege
Fans in stadiums account for a minuscule portion of the audience for whom athletes perform. It's the global TV audiences from which sports bodies derive their revenues
Serbian tennis ace Novak Djokovic has kept a low profile toward the debate about who's the greatest tennis player in history before kicking off his Tokyo Olympic campaign.