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

Coco Gauff is America’s best hope of a home champion. That is, if she can figure out how to make the most important shot in ...

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 ...