The US Open's mixed doubles competition has announced its initial entry list for next month's tournament. Per The Athletic's Matthew Futterman, 24-Grand Slam champion Novak Djokovic will be teaming with women's world No. Sabalenka did not compete in last year's inaugural edition, which was won by the Italian duo of Sara Errani and Andrea Vavassori. 1 Jannik Sinner, seven-time Grand Slam champion Carlos Alcaraz and legends Venus and Serena Williams are among the players not yet on the list. Per Futterman, both Sinner and Alcaraz are on the singles entry list, while the Williams sisters would both require wild cards to enter the singles draw.