Gauff's Serve Transformed at US Open

Coco Gauff's serve has undergone significant improvement since last year's US Open, where she struggled with it. Now, it's a key factor in her success. Gauff's transformation is evident in her recent performance, where her serve has become a potent weapon. This improvement has been a crucial factor in her return to the US Open, where she has been able to showcase her skills without the hindrance of a weak serve. Gauff's serve has become a reliable asset, allowing her to focus on other aspects of her game.