Frey/TPN/Getty Images
(NEW YORK) — All eyes are on Serena Williams as the tennis superstar prepares to make her final U.S. Open appearance before retirement.
Williams, 40, has been the talk of the tournament after she announced earlier this month in a personal essay for Vogue that her time as a pro was coming to a close.
She will open her final tournament Monday night against 80th-ranked Danka Kovinic of Montenegro on center court.
Williams defeated Martina Hingis in the U.S. Open final to win her first major title in 1999 at the age of 17. Williams defeated five future Hall of Famers,