Roger Federer may be the most entertaining ... With the help of Getty Images, we compiled 24 gorgeous photos taken during Federer's incredible career.

Last week in Madrid, Roger Federer was his typical self, flowing locks under a bandana and all, but for his surprising early loss to Kei Nishikori. This week? He's sporting a new 'do. Indeed ...

The display of tears from one of sports' greatest rivalries came during the tennis great's final professional match ... Tennis icon Roger Federer capped off his career at 41 years old in a doubles ...