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

Coco Gauff was once again denied a berth in the semifinal of the Canadian Open. This time, the opponent was teen sensation Victoria Mboko, who breezed past the two-time Grand Slam singles champion with a 6-1, 6-4 scoreline.

Aug 2 (Reuters) - Canadian teenager Victoria Mboko earned the biggest win of her career on Saturday, beating top seed Coco Gauff 6-1 6-4 to reach the quarterfinals of the Canadian Open in Montreal.