Gauff reign ends with faulty serve

Navarro takes advantage in fourth-round upset

- HOWARD FENDRICH

DEFENDING CHAMPS MOVE TO QUARTERS

Canada’s Gabriela Dabrowski and New Zealand’s Erin Routliffe, the defending champions, advanced to the women’s doubles quarterfinals at the U.S. Open. Dabrowski and Routliffe broke on three of their eight opportunities and fired 33 winners in Sunday’s 7-5, 7-6 (3) victory over Angelica Moratelli and Jaqueline Cristian and will learn their next opponent on Monday.

This is pretty much all anyone needs to know about defending champion Coco Gauff’s 6-3, 4-6, 6-3 loss to Emma Navarro in the U.S. Open’s fourth round on Sunday: Gauff wound up with more double faults (19) than winners (14).

The No. 3-seeded Gauff had won 10 matches in a row at Flushing Meadows, including the run to her first Grand Slam title a year ago.