Coco Gauff beat Kayla Day 6-2, 7-5 in Toronto, leaning on her return game to break five times and finish the match in straight sets. Gauff won 63% of points on her first serve to Day's 45%, and she turned those chances into the decisive breaks.
Gauff broke in game two and again in game four to move ahead 4-0 in the opener; Day's late break at 2-5 only delayed a 6-2 set. The second set swung repeatedly – Gauff broke at 2-4 and 3-5, Day answered at 3-4 and 4-5, and Gauff sealed the match with one last break at 5-7.
Gauff's returning was the clear separator: she won 39 return points to Day's 27, including 23 points on first-serve returns. She still finished with eight double faults to Day's five, but her pressure from the back of the court decided the key games.