Coco Gauff knows the spotlight better than most her age. At 21, she lit up New York by winning her first Grand Slam at the US Open, sparking comparisons to Serena Williams, and months later, she added a French Open title to her growing legacy. But tennis is relentless; it demands more than moments of brilliance, it craves consistency. However, right now, Gauff’s serve remains her most scrutinized weapon, the one technical flaw that continues to test her. And as she gears up for her China Open campaign, Serena Williams’ former coach Rick Macci predicts a major breakthrough in her biggest weakness.

Rick Macci recently turned heads with his latest insight on Coco Gauff, sharing a powerful post on X that has tennis fans buzzing. In his words, “The remainder of the year will give us a s

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