Top-ranked Jannik Sinner reached the U.S. Open semifinals for the first time by getting past 2021 champion Daniil Medvedev 6-2, 1-6, 6-1, 6-4 on Wednesday night. Sinner, who took over as the title favorite after Week 1 exits by Novak Djokovic and Carlos Alcaraz, is the only man remaining in the field with a Grand Slam trophy. First, it was Sinner who was superior.