Sloane Stephens - 1st Service

Sloane Stephens (*1993 / USA) - 1st service - toss & takeback in the first round match against Roberta Vinci (ITA) of the eventual 2017 US Open Women's Singles Champion - Flushing Meadows - Corona Park - Queens - New York - August 2017 - Many more images from this match would be available for download