American world No.5 Jessica Pegula said: "As a player who enjoys competing in doubles, I’m excited for the opportunity to play the US Open mixed doubles championship during the first week.
THE US Open mixed doubles will take place the week BEFORE the singles tournament starts at Flushing Meadows – and carry a $1million (£804,000) cheque.
This year's mixed doubles competition runs from August 19 to August 20, with 16 teams set to play.
Britain’s Jamie Murray is three-time winner of the US Open mixed doubles title.
Californian Taylor Fritz, the world No.4, added: "Mixed doubles is always a great challenge, and I’ve had some amazing experiences with it over the years.