Ekaterina Alexandrova Upsets World No. 1 Aryna Sabalenka at National Bank Open

In a significant upset at the National Bank Open, No. 16 seed Ekaterina Alexandrova defeated top-seeded Aryna Sabalenka 7-6 (3), 4-6, 6-4 in the round of 16, denying the world No. 1 a quarterfinal berth.