“I don’t want to waste time on continuing doing the wrong things,” said Coco Gauff as she explained her sudden decision to hire biomechanics specialist Gavin MacMillan right ahead of the US Open. After all, quick decisions are what you take when you are averaging nearly 7 double faults a match. Gauff even confessed that she would have started working with MacMillan earlier had he been available. Perhaps that really would have been ideal for the Delray Beach native because she still needs to spend a lot of time working on her serves. A moment in the match against Donna Vekic only made that clearer, and the reality hit her harder than expected.

It happened in the first set itself, when Donna Vekic broke her serve at 4-4. The famed tennis journalist and commentator, Jose Morgado, took

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