NEW YORK - SEPTEMBER 3, 2018: Professional sport photographers at the 2018 US Open at Billie Jean King National Tennis Center in New York - Stock Photo & Image

NEW YORK - SEPTEMBER 3, 2018: Professional sport photographers at the 2018 US Open at Billie Jean King National Tennis Center in New York

NEW YORK - SEPTEMBER 3, 2018: Professional sport photographers at the 2018 US Open at Billie Jean King National Tennis Center in New York

NEW YORK - SEPTEMBER 3 Professional photographer and spectators during US Open 2013 at Billie Jean King National Tennis Center on September 3, 2013 in New York

NEW YORK - AUGUST 26 Professional photographers at US Open 2014 at Billie Jean King National Tennis Center on August 26, 2014 in New York

NEW YORK - SEPTEMBER 4 Professional photographers at US Open 2014 at Billie Jean King National Tennis Center on September 4, 2014 in New York

NEW YORK - SEPTEMBER 10, 2017: Professional sport photographers on tennis court during trophy presentation at the Arthur Ashe Stadium at Billie Jean King National Tennis Center

NEW YORK - SEPTEMBER 10, 2017: Professional sport photographers on tennis court during trophy presentation at the Arthur Ashe Stadium at Billie Jean King National Tennis Center

NEW YORK- SEPTEMBER 7 Professional photographers on tennis court during trophy presentation at the Arthur Ashe Stadium at Billie Jean King National Tennis Center on September 7, 2014 in New York

NEW YORK - SEPTEMBER 12, 2015 The Color Guard of the US Marine Corps during the opening ceremony of the US Open 2015 women's final at Billie Jean King National Tennis Center in New York

MELBOURNE, AUSTRALIA - JANUARY 24, 2016: Professional photographers at Rod Laver Arena during Australian Open 2016 in Melbourne Park

NEW YORK - AUGUST 28, 2016: Arthur Ashe Stadium at the Billie Jean King National Tennis Center ready for US Open tournament in New York

FLUSHING, NY - AUGUST 25: Tennis fans waiting for autographs at Billie Jean King National Tennis Center on August 25, 2012 in Flushing, NY. US Open is a final Grand Slam tournament of the year

NEW YORK - AUGUST 23: Tennis fans waiting for autographs at Billie Jean King National Tennis Center on August 23, 2014 in New York. US Open is a final Grand Slam tournament of the year

NEW YORK- SEPTEMBER 6 Professional photographers on tennis court during trophy presentation at the Arthur Ashe Stadium at Billie Jean King National Tennis Center on September 6, 2014 in New York

NEW YORK - SEPTEMBER 3, 2018: Arthur Ashe Stadium at the Billie Jean King National Tennis Center during night session at the 2018 US Open tournament in New York

MELBOURNE, AUSTRALIA - JANUARY 26, 2016: American tennis fans supporting Grand Slam champion Serena Williams during her quarter final match at Australian Open 2016 in Melbourne Park