Coco Gauff is ranked in the top three of the WTA rankings, and at just 21 years old, the young American player has already ...

Coco Gauff has won her first match since enlisting someone to help with her shaky serving and moved into the second round at ...

On the night that she debuted her new service motion, it was Gauff's tennis foundations that propelled her to victory.

But then Gauff learned that MacMillian, a Canadian educated in America and based in South Africa, was available. And then her ...

World No. 1 Sabalenka solved her service woes a few years back working with biomechanical coach Gavin MacMillan. On Wednesday, Coco Gauff, who leads the WTA Tour in double faults, began working with ...

Matthew Daly is out and Gavin MacMillan is in to correct Coco's spate of double faults that has put her in a deep tailspin ...