LONDON, ENGLAND - JUNE 29: Roger Federer of Switzerland practices before the start of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on June 29, 2019 in London, England. (Photo by TPN/Getty Images)
LONDON, ENGLAND - JUNE 29: Roger Federer of Switzerland practices before the start of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on June 29, 2019 in London, England. (Photo by TPN/Getty Images)