It was a difficult night for Coco Gauff but the two-time major winner persevered.
Gauff, who has been beset by serving issues through two rounds at the U.S. Open, again struggled with double faults through a particularly trying first set, one she eventually won via a tiebreak. But it was far from easy. Gauff at one point, burdened by the weight of expectations and frustrated with her play, broke down into tears while sitting in her chair during a changeover.
