India, Aug. 20 -- Sara Bejlek produced the biggest upset of her career at the WTA Cincinnati Open 2026, defeating world No. 1 Aryna Sabalenka 7-6(7), 6-4 in the round of 16 on Wednesday. The 20-year-old Czech secured her first top-10 victory and booked a place in her first WTA 1000 quarterfinal.

Bejlek showed remarkable composure throughout the contest, particularly after falling 1-4 behind in the second set. She fought back brilliantly, winning five consecutive games to complete a stunning victory over the top seed.

WTA Cincinnati Open Results: Bejlek Stuns Sabalenka

The opening set went down to a tense tiebreak, with Bejlek holding her nerve to win it 9-7 and take a crucial advantage against the world No. 1.

Sabalenka appeared to be...