Karen Khachanov of Russia celebrates after the men's singles round of 16 match between Karen Khachanov of Russia and Casper Ruud of Norway at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
Alex Michelsen of the United States celebrates scoring during the men's singles round of 16 match between Alex Michelsen of the United States and Learner Tien of the United States at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
Alex Michelsen of the United States celebrates victory after the men's singles round of 16 match between Alex Michelsen of the United States and Learner Tien of the United States at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
Alex Michelsen of the United States returns the ball during the men's singles round of 16 match between Alex Michelsen of the United States and Learner Tien of the United States at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
Karen Khachanov of Russia returns the ball during the men's singles round of 16 match between Karen Khachanov of Russia and Casper Ruud of Norway at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
Alex Michelsen of the United States returns the ball during the men's singles round of 16 match between Alex Michelsen of the United States and Learner Tien of the United States at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
Karen Khachanov of Russia celebrates scoring during the men's singles round of 16 match between Karen Khachanov of Russia and Casper Ruud of Norway at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
Casper Ruud of Norway waves to spectators as he leaves the court after the men's singles round of 16 match between Karen Khachanov of Russia and Casper Ruud of Norway at the 2025 National Bank Open tennis tournament in Toronto, Canada, on Aug. 2, 2025. (Photo by Zou Zheng/Xinhua)
