Jannik Sinner outclasses Lorenzo Musetti to storm into US Open last four

World No 1 wins all-Italian quarter-final in straightsSinner saves seven break points in 6-1, 6-4, 6-2 winSets up semi-final with Canadas Auger-AliassimeJannik Sinner continued his march toward a second consecutive US Open title on Wednesday night, dispatching the 10th-seeded Lorenzo Musetti 6-1, 6-4, 6-2 in two hours flat in the first ever all-Italian mens quarter-final at a grand slam tournament. The world No 1 and top seed in New York was tested only in flickers but proved unmovable, saving a...