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. Federer has won 20 Grand Slam singles titles and 103 ATP Tour titles, as well as attracting legions of fans around the world. Today’s Karthi Gnanasegaram spoke to Andy Murray, Novak Djokovic and Federer himself. She also hears from Team Europe captain Björn Borg and captain of the World Team John McEnroe about what happens after Federer's final match.

(Image: Team Europe's Roger Federer during a training session ahead of the Laver Cup at the O2 Arena, London; Credit: John Walton/PA Wire)