Coco Gauff is the last American standing after a brutal Saturday at Flushing Meadows — she beat Cristina Bucsa 6-3, 6-4 in straight sets to reach the Round of 16.
Madison Keys suffered one of the most painful collapses in Open history: she led Zheng Qinwen 5-0 in the third set, held a match point, then lost seven straight games to fall 1-6, 7-6(3), 7-5.
Taylor Fritz also blew a two-set lead, falling to Francisco Cerundolo in...
