Coco Gauff, one of the most ambitious players at the US Open, joined ranks of evicted luminaries alongside Novak Djokovic and Carlos Alcaraz on a day of shocking events.  The defending champion’s journey came to a sudden stop when fellow American Emma Navarro kicked her in a game rife with blunders, therefore losing 6-3, 4-6, 6-3 in the fourth round. …