NEW YORK - elokuu 31, 2017: Grand Slam mestari Rafael Nadal Espanjan toiminnassa hänen US Open 2017 toisen kierroksen ottelu Billie Jean King National Tennis Center - Kuvapankin valokuva ja kuva

NEW YORK - AUGUST 31, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 second round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 31, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 second round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 8, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 semifinal 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 8, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 semifinal match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 29 Twelve times Grand Slam champion Rafael Nadal during second round match at US Open 2013 against Rogerio Dutra Silva at Arthur Ashe Stadium on August 29, 2013 in New York

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 - 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 29, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 first round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 29, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 first round 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 26, 2019: 20-time Grand Slam champion Roger Federer of Switzerland in action during the 2019 US Open first round match at Billie Jean King National Tennis Center in New York

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 - 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 Rafael Nadal of Spain in action during his US Open 2017 second round match at Billie Jean King National Tennis Center

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

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 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 6 Seventeen times Grand Slam champion Roger Federer during semifinal match at US Open 2014 against Marin Cilic at Arthur Ashe Stadium on September 6, 2014 in New York

NEW YORK - AUGUST 29, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 2, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 third 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 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 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, 2016: Grand Slam champion Rafael Nadal of Spain in practice for US Open 2016 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 3, 2016: Grand Slam champion Rafael Nadal of Spain in practice for US Open 2016 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 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 29, 2017: Grand Slam champion Rafael Nadal of Spain in action during his US Open 2017 first round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2018: 17-time Grand Slam champion Rafael Nadal of Spain in action during his 2018 US Open quarter-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