Jannik Sinner's quest to win his fifth career Grand Slam title at the 2025 US Open will be made a bit harder, as he will have to compete without his coach. Until this year's Wimbledon Championships,

Vagnozzi and Cahill – who coached former world No 1s Lleyton Hewitt and Andre Agassi in the past – have been part of Sinner’s team since 2022 and under their guidance, the Italian won his maiden Grand Slam at the 2024 Australian Open and became world No 1 last June.

A retired Italian tennis player has suggested that Jannik Sinner never wanted to get rid of fitness trainer Umberto Ferrara in the wake of his anti-doping case last year. The world No. 1 was found to have “bore no fault or negligence” after proving the tests were the result of contamination.