Serena Williams’ highly anticipated return to Arthur Ashe Stadium ended on Tuesday as she and Carlos Alcaraz were knocked out of the US Open mixed doubles quarterfinals by Flavio Cobolli and Belinda Bencic. The Italian-Swiss pairing defeated Williams and Alcaraz 5-4(4), 4-1, ending a memorable comeback appearance for the 23-time Grand Slam champion. Serena Receives Huge Arthur Ashe Welcome Williams had not competed at the US Open since her emotional farewell to professional tennis in 2022. The 44-year-old received a thunderous reception from