WASHINGTON — Teenage qualifier Caty McNally has reached the quarterfinals of the Citi Open. The 17-year-old beat fellow American 6-3, 1-6, 6-3 on Thursday. McNally hadn’t won a main draw WTA match until this week. The women’s field has opened up after top-seeded Sloane Stephens and Wimbledon breakout star Coco Gauff were knocked out. Also
