LONDON, UNITED KINGDOM - JULY 12: Roger Federer of Switzerland in action against Milos Raonic of Canada (not seen) on day nine of the 2017 Wimbledon Championships at the All England Lawn and Croquet Club in London, United Kingdom on July 12, 2017. (Photo by Lindsey Parnaby/Anadolu Agency/Getty Images)
LONDON, UNITED KINGDOM - JULY 12: Roger Federer of Switzerland in action against Milos Raonic of Canada (not seen) on day nine of the 2017 Wimbledon Championships at the All England Lawn and Croquet Club in London, United Kingdom on July 12, 2017. (Photo by Lindsey Parnaby/Anadolu Agency/Getty Images)
LONDON, UNITED KINGDOM - JULY 12: Roger Federer of Switzerland in action against Milos Raonic of Canada (not seen) on day nine of the 2017 Wimbledon Championships at the All England Lawn and Croquet Club in London, United Kingdom on July 12, 2017. (Photo by Lindsey Parnaby/Anadolu Agency/Getty Images)
LONDON, UNITED KINGDOM - JULY 12: Roger Federer of Switzerland in action against Milos Raonic of Canada (not seen) on day nine of the 2017 Wimbledon Championships at the All England Lawn and Croquet Club in London, United Kingdom on July 12, 2017. (Photo by Lindsey Parnaby/Anadolu Agency/Getty Images)
LONDON, ENGLAND - JULY 12: Roger Federer of Switzerland plays a forehand during the Gentlemen's Singles quarter final match against Milos Raonic of Canada on day nine of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 12, 2017 in London, England. (Photo by Clive Brunskill/Getty Images)
