Canadian teenager Victoria Mboko upsets top-seeded Coco Gauff to reach Montreal quarterfinals

Victoria Mboko, right, of Canada, is congratulated after her win by Coco Gauff, left, of the United States, during round of 16 match action at the National Bank Open women's tennis tournament in Montreal, Saturday, Aug. 2, 2025. (Christinne Muschi/The Canadian Press via AP)
MONTREAL (AP) — Canadian teenager Victoria Mboko upset top-seeded Coco Gauff 6-1, 6-4 on Saturday night to reach the National Bank Open quarterfinals.

Montreal Tennis
Gauff dropped to 2-3 since winning the French Open. She followed the major victory with opening losses in Berlin and Wimbledon, then overcame double-fault problems to win two three-set matches in Montreal. Gauff had five double-faults Saturday after having 23 in her opener against Danielle Collins and 14 against Veronika Kudermetova.

Victoria Mboko, of Canada, reacts following her win over Coco Gauff, of the United States, during round of 16 match action at the National Bank Open women's tennis tournament in Montreal, Saturday, Aug. 2, 2025. (Christinne Muschi/The Canadian Press via AP)
The 18-year-old Mboko, ranked 85th in the world, will face the winner of the late match between Lin Zhu of China and Jessica Bouzas Maneiro of Spain.
In Rome in May, Gauff rallied to beat Mboko 3-6, 6-2, 6-1 in a round-of-64 match.
Earlier, 24th-seeded Marta Kostyuk of Ukraine and ninth-seeded Elena Rybakina of Kazakhstan set up a quarterfinal match. Kostyuk beat McCartney Kessler of the United States 5-7, 6-3, 6-3, and Rybakina topped Dayana Yastremska of Ukraine 5-7, 6-2, 7-5.
___

Coco Gauff, right, of the United States, waves to the crowd after her loss to Victoria Mboko, of Canada, during round of 16 match action at the National Bank Open women's tennis tournament in Montreal, Saturday, Aug. 2, 2025. (Christinne Muschi/The Canadian Press via AP)

Montreal Tennis