Rumors have swirled since it was announced last week the two would be teaming up for the newly formatted mixed doubles event at the U.S. Open later this summer.

There are 23 British singles players in the main draw and 14 are in action on Monday. Raducanu, who has been suffering from a back injury, will start her campaign against Welsh wildcard Mimi Xu. No.4 seed Draper plays Argentine Sebastian Baez on Tuesday.