NEW YORK (AP) — Coco Gauff was as aware as anyone, of course, that her tour-worst double-fault total is a significant problem, so she fired one of her coaches on the eve of the U.S. Open and brought ...

In a battle of former US Open champions, No. 23 seed Naomi Osaka dispatched No. 3 seed Coco Gauff in straight sets to advance to the quarterfinals.

NEW YORK (AP) — Coco Gauff was as aware as anyone, of course, that her tour-worst double-fault total is a significant problem, so she fired one of her coaches on the eve of the U.S. Open and brought ...