NEW YORK — Jannik Sinner returned to the U.S. Open semifinals by beating No. 10 Lorenzo Musetti 6-1, 6-4, 6-2 on Wednesday night in the first all-Italian matchup in a men’s major quarterfinal. The No. 1 seed continued what has been an easy title defense and on Friday will face No. 25 seed Felix Auger-Aliassime, who beat No. 8 Alex de Minaur 4-6, 7-6 (7), 7-5, 7-6 (4).

See Full Page