On Sunday, Roger Federer will call time on a career that has spanned 24 years and seen him become one of the greatest tennis players of all time.
As he prepares to retire, BBC Sport look backs at 10 iconic moments in his career - and asks you to vote for your favourite.
Wimbledon 2001 - beating Sampras at age 19
Pete Sampras was the top dog at Wimbledon. In 2001 he was the four-time defending champion, world number one and heavy favourite for the title.
Then, in the fourth round, he came up against a pony-tailed 19-year-old who was starting to move up the rankings himself.