Proper noun
U.S.T.A.
(tennis) Initialism of United States Tennis Association; also USTA: the national governing body for tennis in the United States.
Its station in Willets Point is also used by fans attending Mets baseball games at Citi Field and the United States Open at the U.S.T.A. Billie Jean King National Tennis Center. Source: Internet
I’m working in the U.S. Open Club, the restaurant for U.S.T.A. executives and employees, including the ball boys and stringers. Source: Internet
The coach or guest would also be fined and prohibited from receiving a credential to the 2021 U.S. Open, the U.S.T.A. said. Source: Internet
The U.S.T.A. missed its windfall. Source: Internet