Tokyo Olympics champs Zverev, Bencic advance at US Open

Tokyo Olympic champions Alexander Zverev and Belinda Bencic advanced to the US Open quarter-finals on Monday with straight-set triumphs. German fourth seed Zverev stretched his win streak to 15 matches by beating Italian 13th seed Jannik Sinner 6-4, 6-4, 7-6 (9/7) and Swiss 11th seed Bencic eliminated Polish seventh seed Iga Swiatek, last year’s French…