Victoria Mboko, world No. 85 and a wild card at the Canadian Open, secured the biggest win of her career Saturday night, trouncing two-time Grand Slam champion Coco Gauff 6-1, 6-4 in Montreal. This time last year,

Canadian teenager Victoria Mboko upset top-seeded Coco Gauff 6-1, 6-4 on Saturday night to reach the National Bank Open quarterfinals.

Victoria Mboko, the 18-year-old Canadian ranked No. 85 in the world, upset top-seeded Coco Gauff 6-1, 6-4 to reach the National Bank Open quarterfinals.