Episode description

How can tennis star Roger Federer have won only 54% of the points he played, but been the best player in the world? Jeff Sackmann, the tennis stats brain behind tennisabstract.com, explains to Tim Harford how probability works in the sport.

Presenter: Tim Harford Producer: Debbie Richford Series producer: Tom Colls Production co-ordinator: Brenda Brown Sound Mix: Nigel Appleton Editor: Richard Vadon