Tearful Coco Gauff thanks Simone Biles for inspiration after battling through US Open second round

While Coco Gauff won her US Open second round match in straight sets against Donna Vekić on Thursday, the victory was anything but easy.

​ While Coco Gauff won her US Open second round match in straight sets against Donna Vekić on Thursday, the victory was anything but easy. Read More Breaking News, Latest News and Videos | CNN