Coco Gauff beat Marta Kostyuk 6-2, 6-2 in straight sets in Cincinnati, powered by relentless returning. Gauff converted five of ten break points and saved one of three she faced, while Kostyuk could only take two breaks across the match.
Gauff took control of the opener by breaking in game 2 and again at 5-1; after Kostyuk pulled one break back to 5-2, Gauff closed out the set with a third break at 6-2. She then raced through the second, breaking to 2-0 and 4-0, and despite conceding a break at 4-1, finished the match with a final break to 6-2.
Gauff won 30 return points to Kostyuk's 15, and her edge on second serve was stark: Kostyuk made six double faults and won only 21% of her second-serve points, while Gauff took 78% of points on Kostyuk's second serve.