Coco Gauff Makes Major Coaching Change Days Before U.S. Open

Gauff is hoping to win a second career U.S. Open title in Flushing Meadows this year.
Coco Gauff parted ways with her coach before the U.S. Open.
Coco Gauff parted ways with her coach before the U.S. Open. / Aaron Doster-Imagn Images

Coco Gauff made a surprising coaching change just days before the 2025 U.S. Open. The top-ranked American woman player parted ways with her coach Matt Daly on Wednesday, The Athletic's Matthew Futterman reported.

Gauff hired Daly after last year's U.S. Open to specifically work on her serve and her forehand.

Although Gauff has been struggling recently, the duo of her and Daly did win the French Open together back in June. Since then, though, Gauff has suffered some tough losses, including her first-round exit at Wimbledon just weeks after her victory at Roland Garros.

So far this year, Gauff has totaled 320 double faults against 138 aces. Gauff leads the WTA in double faults this year by a landslide. Jelena Ostapenko sits in second place with 211 double faults. Gauff's made 60% of her first serves, and has won 69.5% of her first serve points and 68.7% of her service games.

To replace Daly, Gauff hired Gavin MacMillan. He previously worked with World No. 1 Aryna Sabalenka on her serve. MacMillan was present with Gauff at Flushing Meadows on Wednesday.

We'll see how Gauff fares in New York this year, maybe she can add a second U.S. Open title to her collection.


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Madison Williams
MADISON WILLIAMS

Madison Williams is a staff writer on the Breaking and Trending News team at Sports Illustrated, where she specializes in tennis but covers a wide range of sports from a national perspective. Before joining SI in 2022, Williams worked at The Sporting News. Having graduated from Augustana College, she completed a master’s in sports media at Northwestern University. She is a dog mom and an avid reader.