Gauff had to overcome 23 double-faults to win for the first time since the French Open final, outlasting fellow American Danielle Collins 7-5, 4-6, 7-6 (2) in the second round of the National Bank Open.

Coco Gauff survived hitting 23 double faults and 74 unforced errors to record her first win since her victory in the French Open final in June. The American, the top seed in Montreal, was two points from defeat against compatriot Danielle Collins but rallied to win 7-5, 4-6, 7-6 (2) in two hours and 55 minutes.