Aryna Sabalenka thanks Billie Jean King after Australian Open win
It's Sabalenka's first title.
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Spectators will have to show proof of vaccination to attend the U.S. Open.
USTA statement regarding proof of vaccination to enter the US Open: pic.twitter.com/nf3ivZZM0i
— US Open Tennis (@usopen) August 27, 2021
The tournament announced the new COVID-19 protocols on Friday, just days before the competition’s Monday kickoff.
The New York-based event will be at 100 percent capacity this year after a fan-less contest in 2020.
It's Sabalenka's first title.
Instead, she'll set her sights on the doubles bracket.
Pegula is the last American woman standing.
Both lost in straight sets.