00:50Sporting WitnessBoris Becker - Teenage Wimbledon KingBBC World Service Duration: 9 minutes Wed 19th Jul 2017, 00:50 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowHow the unseeded German teenager became Wimbledon champion in 1985. Show more GenresSportFormatsDocumentariesBrandSporting Witness Source: BBC Online