Overview

• Gauff has brought in Gavin MacMillan, known for technical work that aided Aryna Sabalenka’s serve, and was seen practicing with him at Arthur Ashe Stadium.
• Longtime mentor J.C. Faurel remains on Gauff’s team, with multiple outlets reporting the trio on court together in New York.
• Matt Daly confirmed the split was decided recently, saying he had only good things to say about working with Gauff.
• Gauff’s serve has faltered throughout the summer, including a reported 320 double faults this season and 42 across three matches in Montreal.
• The change comes after a French Open title but uneven results on grass and hard courts, with analysts noting the timing days before the US Open could limit immediate impact.