A tennis legend’s bold theory on Coco Gauff’s serve struggles—discover why she says old habits are haunting the star’s game.

Just when it started to look like Gauff was putting her service woes behind her, she started to again spray double faults ...

Rennae Stubbs thinks bad technique is the main culprit for Coco Gauff's serving problems and the former multiple Grand Slam ...

MELBOURNE, Australia — Coco Gauff is out of the Australian Open ... and added another one, Matt Daly, who could make technical changes in how she holds the racket. She also tried to adopt ...

Coco Gauff emerged from her slump at the BNP Paribas ... She began working with Matt Daly, a grip specialist, in September. She has slightly altered how she holds the racket when she serves ...

MIAMI — Coco Gauff suffered through another frustrating ... She parted company with Brad Gilbert and hired grip expert Matt Daly to work alongside Jean-Christophe Faurel. With a new motion ...

Serena Williams' childhood coach Rick Macci thinks Coco Gauff needs to "get out of the ... partnership with coach Brad Gilbert and hired Matt Daly. During the Sunshine Double, the 21-year-old ...

Coco Gauff is a force to be reckoned with ... committing a staggering 60 unforced errors and 19 double faults. Since hiring Matt Daly and Jean-Christophe Faurel as her coaches in September ...

Coco Gauff participated in a mixed doubles exhibition ... Gauff has made adjustments to her forehand and serve grips with new coach Matt Daly, who joined Jean-Christophe "JC" Faurel on her team.