Nowy Jork - 31 sierpnia 2017: Grand Slam Championem Roger Federer Szwajcarii w akcji podczas jego nas otwarte 2017 okrągły 2 mecz o Billie Jean King National Tennis Center - Zdjęcie stockowe & obraz

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 - 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 23, 2017: Nineteen times Grand Slam Champion Roger Federer of Switzerland practices for US Open 2017 at Billie Jean King National Tennis Center in New York

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 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 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 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 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 - 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 23, 2017: Nineteen times Grand Slam Champion Roger Federer of Switzerland practices for US Open 2017 at Billie Jean King National Tennis Center in New York

NEW YORK -SEPTEMBER 5, 2015: Seventeen times Grand Slam champion Roger Federer of Switzerland in action during his third round match at US Open 2015 at National Tennis Center in NY

MIAMI GARDENS, FLORIDA - MARCH 27, 2019: Grand Slam champion Roger Federer of Switzerland in action during his round of 16 match at 2019 Miami Open at the Hard Rock Stadium in Miami Gardens, Florida

NEW YORK - AUGUST 31 Twelve times Grand Slam champion Rafael Nadal during third round singles match against Ivan Dodig at US Open 2013 at Billie Jean King National Tennis Center on August 31, 2013 in New York

NEW YORK - September 2, 2014: Seventeen times Grand Slam champion Roger Federer during round 4 match at US Open 2014 against Roberto Bautista Agut at Arthur Ashe Stadium

NEW YORK -SEPTEMBER 5, 2015: Seventeen times Grand Slam champion Roger Federer of Switzerland in action during his third round match at US Open 2015 at National Tennis Center in NY5

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

NEW YORK - AUGUST 23, 2017: Nineteen times Grand Slam Champion Roger Federer of Switzerland practices for US Open 2017 at Billie Jean King National Tennis Center in New York

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, 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 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