New York, NY - September 3, 2018: Roger Federer of Switzerland returns ball during US Open 2018 4th round match against John Millman of Australia at USTA 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, NY - September 3, 2018: Roger Federer of Switzerland returns ball during US Open 2018 4th round match against John Millman of Australia at USTA Billie Jean King National Tennis Center
NEW YORK - AUGUST 27: Roger Federer of Switzerland returns ball during 1st round match against Donald Young of USA at US Open tennis tournament on August 2, 2012 in Flushing Meadows New York
New York, NY - September 3, 2018: Roger Federer of Switzerland returns ball during US Open 2018 4th round match against John Millman of Australia at USTA Billie Jean King National Tennis Center
NEW YORK, NY - AUGUST 26: Roger Federer of Switzerland returns ball during 1st round match against Marinko Matosevic of Australia at US Open tennis tournament in Flushing Meadows USTA Tennis Center
NEW YORK - SEPTEMBER 9: Rafael Nadal of Spain reacts during US Open final match against Novak Djokovic of Serbia at USTA Billie Jean King National Tennis Center on September 9, 2013 in New York City
New York, NY - September 7, 2018: Rafael Nadal of Spain prepares to serve during US Open 2018 semifinal match against Juan Martin del Potro of Argentina at USTA Billie Jean King National Tennis Center
New York, NY - September 7, 2018: Novak Djokovic of Serbia returns ball during US Open 2018 semifinal match against Kei Nishikori of Japan at USTA Billie Jean King National Tennis Center
New York, NY - September 7, 2018: Kei Nishikori of Japan returns ball during US Open 2018 semifinal match against Novak Djokovic of Serbia at USTA Billie Jean King National Tennis Center
New York, NY - September 7, 2018: Kei Nishikori of Japan returns ball during US Open 2018 semifinal match against Novak Djokovic of Serbia at USTA Billie Jean King National Tennis Center
New York, NY - September 7, 2018: Vanessa Williams attends US Open 2018 semifinal match between Kei Nishikori of Japan & Novak Djokovic of Serbia at USTA Billie Jean King National Tennis Center
New York, NY - September 7, 2018: Novak Djokovic of Serbia chases ball during US Open 2018 semifinal match against Kei Nishikori of Japan at USTA Billie Jean King National Tennis Center
Emiliana Arango of Colombia returns ball during 1st round match against Ipek Oz of Turkiye of qualifying for US Open Championship at Billy Jean King Tennis Center in New York on August 23, 2023
Novak Djokovic of Serbia poses with the championship trophy after winning the final against Daniil Medvedev of US Open Championships at Billie Jean King Tennis Center in New York on Sep 10, 2023.
Coco Gauff of USA celebrates victory in 4th round against Caroline Wozniacki of Denmark at the US Open Championships at Billie Jean King Tennis Center in New York on September 3 2023
Novak Djokovic of Serbia reacts during final match against Daniil Medvedev of US Open Championships at Billie Jean King Tennis Center in New York on September 10, 2023
Novak Djokovic of Serbia returns ball during final match against Daniil Medvedev of US Open Championships at Billie Jean King Tennis Center in New York on September 10, 2023
Ben Shelton of USA returns ball during semifinal round against Novak Djokovic of Serbia at the US Open Championships at Billie Jean King Tennis Center in New York on September 8, 2023