Williams already had been given a wild-card entry by the U.S. Tennis Association for next week's mixed doubles competition. Singles matches begin in New York on Aug. 24.

The seven-time Grand Slam singles champion had also received a wild-card entry with Reilly Opelka to play mixed doubles ...

Williams will be the oldest singles entrant at the tournament since Renee Richards played there at 47 in 1981, according to ...