New York-augusztus 27, 2019:18-Time Grand Slam-bajnok Rafael Nadal spanyol visel egyéni Nike tenisz cipő alatt 2019 US Open első fordulóban mérkőzést a Billie Jean King National Tennis Center New Yorkban - Stock fotó és kép

NEW YORK - AUGUST 27, 2019: 18-time Grand Slam champion Rafael Nadal of Spain wears custom Nike tennis shoes during the 2019 US Open first round match at National Tennis Center in New York

NEW YORK - SEPTEMBER 8, 2019: 2019 US Open champion Rafael Nadal of Spain in action during his final match against Daniil Medvedev at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland wears custom Nike shoes during his US Open 2017 second round match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 8, 2019: 2019 US Open champion Rafael Nadal of Spain in action during his final match against Daniil Medvedev at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 27, 2019: 18-time Grand Slam champion Rafael Nadal of Spain wears custom Nike tennis shoes during the 2019 US Open first round match at National Tennis Center in New York

NEW YORK - SEPTEMBER 10, 2017: Grand Slam champion Rafael Nadal of Spain wears custom Nike tennis shoes during US Open 2017 final match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland wears custom Nike shoes during his US Open 2017 second round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 27, 2019: 18-time Grand Slam champion Rafael Nadal of Spain in action during his 2019 US Open first round match at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 27, 2019: 18-time Grand Slam champion Rafael Nadal of Spain wears custom Nike tennis shoes during the 2019 US Open first round match at National Tennis Center in New York

NEW YORK - AUGUST 27, 2017: Tennis coach Juan Carlos Ferrero coaches professional tennis player Alexander Zverev of Germany for US Open 2017 at Billie Jean King National Tennis Center

NEW YORK - AUGUST 27, 2019: 18-time Grand Slam champion Rafael Nadal of Spain in action during his 2019 US Open first round match at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 31, 2017: Grand Slam champion Roger Federer of Switzerland wears custom Nike shoes during his US Open 2017 second round match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 27, 2019: 18-time Grand Slam champion Rafael Nadal of Spain wears custom Nike tennis shoes during the 2019 US Open first round match at National Tennis Center in New York

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 5, 2016: Grand Slam Champion Andy Murray of Great Britain in action during US Open 2016 round four match at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 4, 2019: Grand Slam champion Rafael Nadal of Spain celebrates victory after the 2019 US Open quarterfinal match at Billie Jean King National Tennis Center

NEW YORK - AUGUST 30, 2016: Professional tennis player Fernando Verdasco of Spain wears custom Adidas tennis shoes during match at US Open 2016 at Billie Jean King National Tennis Center in New York

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, 2018: Professional tennis player Karen Khachanov of Russia in action during round of 32 match at the 2018 US Open at Billie Jean King National Tennis Center

NEW YORK - AUGUST 27, 2019: 18-time Grand Slam champion Rafael Nadal of Spain in action during his 2019 US Open first round match at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 22, 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, 2017: Grand Slam champion Roger Federer of Switzerland wears custom Nike shoes during his US Open 2017 second 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 - SEPTEMBER 8, 2019: 2019 US Open champion Rafael Nadal of Spain in action during his final match against Daniil Medvedev at Billie Jean King National Tennis Center in New York

NEW YORK - AUGUST 26, 2018: 20-time Grand Slam champion Roger Federer of Switzerland wears custom Nike tennis shoes during training match for 2018 US Open at Billie Jean King National Tennis Center