Roger Federer's first professional title came in 2001, when he was 19 and beat Julien Boutter in three sets on an indoor hard court in Milan.

After 102 more crowns, Federer has announced his retirement at age 41.

But he is best known for his 20 championships at grand slam tournaments: eight at Wimbledon, six at the Australian Open, five at the US Open and one at the French Open.