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Coco Gauff, of the United States, left, shakes hands with Alina Korneeva after defeating her during a round of 16 match at the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Coco Gauff, of the United States, celebrates during her match against Alina Korneeva during a round of 16 match at the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Alina Korneeva reacts during her round of 16 match against Coco Gauff, of the United States, at the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Coco Gauff, of the United States, returns the ball from Alina Korneeva during a round of 16 match at the National Bank Open tennis tournament in Toronto, | Photo: Keito Newman/The Canadian Press via AP
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Alina Korneeva reaches to return the ball from Coco Gauff, of the United States, during a round of 16 match during the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Coco Gauff, of the United States, returns the ball from Alina Korneeva during a round of 16 match during the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Alina Korneeva returns the ball from Coco Gauff, of the United States, during a round of 16 match during the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Coco Gauff, of the United States, serves the ball to Alina Korneeva during a round of 16 match during the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Alina Korneeva reacts during her match against Coco Gauff, of the United States, during a round of 16 match at the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
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Coco Gauff, of the United States, reaches to return the ball from Alina Korneeva during a round of 16 match during the National Bank Open tennis tournament in Toronto. | Photo: Keito Newman/The Canadian Press via AP
