Roger Federer of Switzerland during a pratice session prior to the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on June 28, 2015 in London, England.Roger Federer of Switzerland with coach Stefan Edberg during a pratice session prior to the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on June 28, 2015 in London, England.
