US Open: Naomi Osaka falls to Karolina Muchova

Two-time champion Naomi Osaka's comeback at the US Open was cut short in the second round, where she lost 6-3, 7-6 to Karolina Muchova. Osaka, who had missed the previous year's tournament due to childbirth, has struggled to advance past the third round in Grand Slams since 2022. Muchova proved a formidable opponent with her past semifinalist experience.