Roger Federer of Switzerland plays a return to Dominic Thiem of Austria during their ATP World Tour Finals men's singles tennis match at the O2 arena in London.
Switzerland's Roger Federer arrives on the court ahead of his singles ATP World Tour Finals tennis match against Japan's Kei Nishikori at the O2 Arena in London.
Roger Federer of Switzerland returns the ball to Kei Nishikori of Japan during their quarterfinal match of the Paris Masters tennis tournament at the Bercy Arena in Paris, France. ...
Team Europe's Roger Federer hoists the Laver Cup as he celebrates with teammates after defeating Team World in the Laver Cup tennis tournament, in Chicago.
Team Europe's Roger Federer, right, and Alexander Zverev play Team World's John Isner and Jack Sock during a men's doubles tennis match at the Laver Cup in Chicago.
Roger Federer, of Switzerland, returns a shot to John Millman, of Australia, during the fourth round of the U.S. Open tennis tournament, in New York.
Roger Federer, of Switzerland, left, shakes hands with John Millman, of Australia, after losing during the fourth round of the U.S. Open tennis tournament in New York.
Roger Federer, of Switzerland, waves after defeating Benoit Paire, of France, during the second round of the U.S. Open tennis tournament, in New York.
Roger Federer, of Switzerland, returns a shot to Yoshihito Nishioka, of Japan, during the first round of the U.S. Open tennis tournament, in New York.
Novak Djokovic, right, of Serbia, holds the Rookwood Cup after defeating Roger Federer, left, of Switzerland, during the finals at the Western & Southern Open tennis tournament in ...
Roger Federer, of Switzerland, returns to David Goffin, of Belgium, during the semifinals at the Western & Southern Open tennis tournament in Mason, Ohio.
Roger Federer, of Switzerland, acknowledges the crowd after defeating Stan Wawrinka, of Switzerland, in a quarterfinal at the Western & Southern Open tennis tournament in Mason, Oh...
Switzerland's Roger Federer prepares to leave the court after losing his men's quarterfinals match against Kevin Anderson of South Africa, at the Wimbledon Tennis Championships, in...
Kevin Anderson of South Africa, left, shakes hands with Switzerland's Roger Federer, after defeating him in their men's quarterfinals match at the Wimbledon Tennis Championships, i...
Switzerland's Roger Federer celebrates defeating Slovakia's Lukas Lacko in their men's singles match, on the third day of the Wimbledon Tennis Championships in London.
Croatia's Borna Coric, right, and Switzerland's Roger Federer, left, pose with the trophies during the winners ceremony at the Gerry Weber Open ATP tennis tournament in Halle, Germ...
Roger Federer pivots to chase down a shot from Filip Krajinovic during the third round of the BNP Paribas Open tennis tournament at the Indian Wells Tennis Garden in Indian Wells, ...
Roger Federer, of Switzerland, hits from his knees as he plays in an exhibition tennis match with partner Bill Gates against Jack Sock and Savannah Guthrie in San Jose, California....
Bill Gates, foreground, and his partner Roger Federer, of Switzerland, walk onto the court before playing in an exhibition tennis match against Jack Sock and Savannah Guthrie in Sa...
Bill Gates, left, smiles as he talks with partner Roger Federer, of Switzerland, as they play an exhibition tennis match against Jack Sock and Savannah Guthrie in San Jose, Califor...
