Serena Williams, Carlos Alcaraz will team in mixed doubles at U.S. Open
Serena Williams and Carlos Alcaraz will team up in mixed doubles at the U.S. Open.,The winner of 39 Grand Slam titles -- 23 singles, 14 doubles and twSerena Williams and Carlos Alcaraz will team up in mixed doubles at the U.S. Open.,The winner of 39 Grand Slam titles -- 23 singles, 14 doubles and tw