India, Aug. 22 -- Coco Gauff clinched a dominant 6-2, 6-2 victory over Ukrainian Marta Kostyuk in just 70 minutes on Friday to secure her spot in the Cincinnati Open semi-finals. In the other women's quarter-final, unseeded 20-year-old Sara Bejlek fought back from a set down to defeat American Madison Keys 3-6, 6-4, 7-6(5).

Sara Bejlek Secures Her Maiden WTA 1000 Semi-Final

Unseeded Czech youngster Sara Bejlek proved that her earlier upset of world number one Aryna Sabalenka was no fluke. Facing seasoned American Madison Keys, the 20-year-old mounted a comeback to secure a hard-fought 3-6, 6-4, 7-6(5) victory. Bejlek showed immense composure in a tense deciding-set tiebreak to earn the biggest achievement of her young career. Following ...