World No. 1 Aryna Sabalenka upset by Ekaterina Alexandrova at Canadian Open

Ekaterina Alexandrova, the 16th seed, defeated four-time Grand Slam champion Aryna Sabalenka 7-6 (7/3), 4-6, 6-4 in the fourth round of the WTA Toronto Masters tournament. This result denies the world No. 1 a quarter-final berth and marks a setback in her US Open build-up.