Home of one of the major tennis main events- the US Open- the USTA Billie Jean King National Tennis Center is a multiplex center for tennis games and activities. The complex has 33 courts with 22 inside the complex and 11 in an adjoining park. Visitors can come to the complex during the 11 months of the year open for free play. Besides the US Open, the New York State High School tennis championships are held here annually as well. Nearby to the sports complex is Citi Field, home to one of New York’s famed MLB teams, the New York Mets.