The blended doubles championship will happen earlier than the primary event on August 19 and 20, the place a million US {dollars} (£750,000) in prize cash is at stake for the winners.
Raducanu and Alcaraz are one among six groups who’ve obtained wild playing cards to this point and two additional wild playing cards are set to be introduced at a later date to take the general variety of groups competing to 16.
Eight of the entire 16 pairs have obtained direct entry into the draw, together with Emma Navarro and males’s world No1 Jannik Sinner together with Wimbledon champion Iga Swiatek and Casper Ruud.
British No1 Jack Draper can also be in the primary draw, paired with Paula Badosa and US duo Jessica Pegula and Tommy Paul will play collectively in entrance of their house crowd.
Draper had initially been slated to play alongside the Olympic champion Qinwen Zheng, however he’ll now play with Badosa, who was crushed by Katie Boulter within the first spherical at Wimbledon, after Zheng pulled out of the US Open having undergone elbow surgical procedure.
He had not been listed beneath the 25 official candidates that the event introduced every week in the past, however he was confirmed on Tuesday to be half of one of many direct-entry pairs within the draw.
Present US Open blended doubles champions Sara Errani and Andrea Vavassori have additionally obtained wild playing cards.
There are two extra groups to be introduced, in accordance with the event, with the likes of Boulter and her Australian boyfriend Alex De Minaur, maverick Australian Nick Kyrgios and former world No1 Naomi Osaka, and the Italian duo Jasmine Paolini and Lorenzo Musetti, each of who’ve made Grand Slam finals, ready within the wings for a wild card.
US Open blended doubles entrants
Emma Navarro (USA) & Jannik Sinner (Ita)
Paula Badosa (Esp) & Jack Draper (GBR)
Iga Swiatek (Pol) & Casper Ruud (Nor)
Elena Rybakina (Kaz) & Taylor Fritz (USA)
Amanda Anisimova (USA) & Holger Rune (Den)
Belinda Bencic (Sui) & Alexander Zverev (Ger)
Jessica Pegula (USA) & Tommy Paul (USA)
Mirra Andreeva & Daniil Medvedev
Madison Keys (USA) & Frances Tiafoe (USA)
Olga Danilovic (Srb) & Novak Djokovic (Srb)
Emma Raducanu (GBR) & Carlos Alcaraz (Esp)
Taylor Townsend (USA) & Ben Shelton (USA)
Venus Williams (USA) & Reilly Opelka (USA)
Sara Errani (Ita) & Andrea Vavassori (Ita)