Νέα Υόρκη - 3 Σεπτεμβρίου 2018: 20-χρόνος Grand Slam πρωταθλητή Roger Federer της Ελβετίας σε δράση κατά τη διάρκεια του 2018 Us Open γύρο των 16 ματς στο Billie Jean βασιλιά εθνικό κέντρο αντισφαίρισης - Φωτογραφίες & Εικόνες Αρχείου

NEW YORK - SEPTEMBER 3, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open round of 16 match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 3, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open round of 16 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 2 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 4 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK -SEPTEMBER 2 Seventeen times Grand Slam champion Roger Federer during fourth round match at US Open 2013 against Tommy Robredo at Billie Jean King National Tennis Center on September 2, 2013 in New York

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 2 match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 4 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 6, 2017: Grand Slam champion Roger Federer of Switzerland during his US Open 2017 quarterfinal match against Juan Martin Del Potro at Arthur Ashe Stadium

NEW YORK - SEPTEMBER 1, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open round of 32 match at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 2 match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 4 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 2 match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 3, 2019: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2019 US Open quarter-final match against Grigor Dimitrov in New York

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 3, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open round of 16 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 31, 2014: Seventeen times Grand Slam champion Roger Federer during third round match at US Open 2014 at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland celebrates victory after his 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 4 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 2 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center

NEW YORK - September 4 Seventeen times Grand Slam champion Roger Federer during quarterfinal match at US Open 2014 against Gael Monfils at Arthur Ashe Stadium on September 4, 2014 in New York

NEW YORK - SEPTEMBER 3, 2019: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2019 US Open quarter-final match against Grigor Dimitrov in New York

NEW YORK - SEPTEMBER 1, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open round of 32 match at Billie Jean King National Tennis Center in New York

FLUSHING, NY - AUGUST 27 Seventeen times Grand Slam champion Roger Federer during his first round match at US Open 2013 against Grega Zemlja at Billie Jean King National Tennis Center on August 27, 2013 in Flushing, NY

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland in action during his US Open 2017 round 2 match at Billie Jean King National Tennis Center

FLUSHING, NY -SEPTEMBER 2: Seventeen times Grand Slam champion Roger Federer during his fourth round match at US Open 2013 against Tommy Robredo at Billie Jean King National Tennis Center on September 2, 2013 in Flushing, NY

NEW YORK - AUGUST 28, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2018 US Open first round match at Billie Jean King National Tennis Center