Νέα Υόρκη - 29 Αυγούστου 2016: Grand Slam πρωταθλητή Rafael Nadal Ισπανία σε δράση κατά τη διάρκεια του μας Open 2016 πρώτο γύρο αγώνα στο Billie Jean βασιλιά εθνικό κέντρο αντισφαίρισης - Φωτογραφίες & Εικόνες Αρχείου

NEW YORK - AUGUST 29, 2016: Grand Slam champion Rafael Nadal of Spain in action during US Open 2016 first round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 29, 2016: Grand Slam champion Rafael Nadal of Spain in action during US Open 2016 first round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 29, 2016: Grand Slam champion Rafael Nadal of Spain in action during US Open 2016 first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 2, 2018: 17-time Grand Slam champion Rafael Nadal of Spain in action during his 2018 US Open round of 16 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 29, 2016: Grand Slam champion Rafael Nadal of Spain in action during US Open 2016 first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2016: Grand Slam champion Rafael Nadal of Spain in action during US Open 2016 round 3 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 26, 2017: Fifteen times Grand Slam Champion Rafael Nadal of Spain practices for US Open 2017 at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 31, 2019: 18-time Grand Slam champion Rafael Nadal of Spain in action during his 2019 US Open third round match at Billie Jean King National Tennis Center in New York

NEW YORK - SEPTEMBER 3, 2018: 13-time Grand Slam champion Novak Djokovic of Serbia in action during his 2018 US Open round of 16 match at Billie Jean King National Tennis Center

FLUSHING, NY - SEPTEMBER 7: Twelve times Grand Slam champion Rafael Nadal during his semifinal match at US Open 2013 against Richard Gasquet at Arthur Ashe Stadium on September 7, 2013 in Flushing, NY

NEW YORK - 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 New York

NEW YORK -SEPTEMBER 1, 2015: Seventeen times Grand Slam champion Roger Federer of Switzerland in action during first round US Open 2015 match at National Tennis Center in NY

NEW YORK - SEPTEMBER 10, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 final match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2016: Grand Slam champion Rafael Nadal of Spain in action during US Open 2016 round 3 match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 2, 2018: 17-time Grand Slam champion Rafael Nadal of Spain celebrates victory after his 2018 US Open round of 16 match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 30, 2018: 20-time Grand Slam champion Roger Federer of Switzerland in action during his second round 2018 US Open match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 10, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 final 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 2, 2018: 17-time Grand Slam champion Rafael Nadal of Spain in action during his 2018 US Open round of 16 match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 10, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 final 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

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 - SEPTEMBER 3, 2016: Grand Slam champion Rafael Nadal of Spain in practice for US Open 2016 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- SEPTEMBER 6, 2016: Twelve times Grand Slam champion Novak Djokovic of Serbia in action during his quarterfinal match at US Open 2016 at Billie Jean King National Tennis Center in New York