Federer, who announced his retirement at age 41 on Thursday, is best known for his 20 championships at Grand Slam tournaments: eight at Wimbledon, six at the Australian Open, five at the U.S. Open and one at the French Open.
Federer, who announced his retirement at age 41 on Thursday, is best known for his 20 championships at Grand Slam tournaments: eight at Wimbledon, six at the Australian Open, five at the U.S. Open and one at the French Open.