Tennis star Coco Gauff hired biomechanics expert Gavin MacMillan, who previously helped world number one Aryna Sabalenka improve her serve.

Recent U.S. Open champions Aryna Sabalenka, Iga Swiatek and Coco Gauff lead the women's field when singles play begins Sunday at Flushing Meadows.

(Reuters) -After a triumphant French Open but inconsistent performances on grass and hard courts, Coco Gauff arrives at the U.S. Open hoping to rediscover her 2023 title-winning form, now under new guidance after splitting with her coach days before the event.

The list of highest-paid tennis players in 2025 has officially been unveiled with multiple recognizable names at the top.

Tennis player Coco Gauff teams up with Naked for a pineapple-orange protein smoothie with 20g of protein. The drink is fruit-based, with no added sugars or artificial sweeteners, plus electrolytes from coconut water. Its vibrant taste and smooth finish makes it a nutritious, enjoyable pre-workout option.

On Wednesday, August 20, a video of the WTA No. 3 surfaced on X (formerly Twitter), which showed her practicing her serves under the watchful eyes of Jean-Christophe Faurel and Gavin MacMillan. As she practiced, heavy rain poured down. Watch the video below:

For someone so young, it can feel as if U.S. tennis superstar Coco Gauff has been around forever. Breaking onto the scene as a 14-year-old, the now 21-year-old recently added a second Grand Slam, by winning an epic battle at Roland Garros in Paris against world number one Aryna Sabalenka.