New York, NY - August 27, 2018: Denis Kudla of USA returns ball during US Open 2018 1st round match against Matteo Berrettini of Italy at USTA Billie Jean King National Tennis Center
New York, NY - August 27, 2018: Denis Kudla of USA returns ball during US Open 2018 1st round match against Matteo Berrettini of Italy at USTA Billie Jean King National Tennis Center
NEW YORK - SEPTEMBER 2: David Ferrer of Spain plays a shot during 1st round match against Alberto Martin of Spain at US Open on September 2, 2009 in New York.
HUA HIN, THAILAND-OCTOBER 2:Kelsy Stevenson of Canada returns a ball during Day 2 of ITF Thailand Pro Circuit on October 2, 2018 at True Arena Hua Hin in Hua Hin, Thailand
NEW YORK - SEPTEMBER 05: Mardy Fish of USA returns ball during 4th round match against Jo-Wilfried Tsonga of France at USTA Billie Jean King National Tennis Center on September 05, 2011 in NYC
New York, NY - September 2, 2018: Axel Nefve of USA returns ball against Erik Grevelius of Sweden during qualifying round of Boys Singles at US Open Championships on USTA Tennis Center
WINSTON-SALEM, NC, USA - AUGUST 22: Tennys Sandgren plays Marco Cecchinato on August 22, 2021 at the Winston-Salem Open in Winston-Salem, North Carolina.
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