In a surprising announcement following his second-round victory at the 2025 Australian Open, Jannik Sinner confirmed that his coach, Darren Cahill, will depart from his team at the end of the season. Cahill, who has played a pivotal role in Sinner’s rise to the top of the ATP rankings, will conclude his tenure on the Tour this year. The Australian coach’s collaboration with Sinner has been marked by humility and a wealth of tennis knowledge, making him a key figure in the Italian player’s success.
During a post-match press conference, Sinner expressed his gratitude for Cahill’s influence on his career. “I’m happy and very lucky to be the last player he will coach on Tour,” Sinner stated. He praised Cahill as an “extraordinary coach and an exceptional man,” emphasizing the significant impact Cahill has had on his development. Sinner acknowledged the challenges that lie ahead, stating, “I hope we can have a good season; let’s see what happens in the future.” He also noted that Cahill has a bright future ahead, with many opportunities awaiting him after his retirement.
As Sinner looks to build on his success in 2025, he faces the dual challenge of finding a new coach while also navigating the implications of an ongoing doping investigation related to Clostebol. The Court of Arbitration for Sport (CAS) is expected to deliver a verdict by mid-April, which could influence the dynamics within Sinner’s team. To continue his ascent, the world No. 1 will need to identify a coach who can seamlessly integrate with his existing team, particularly with his current coach, Simone Vagnozzi, while also complementing Sinner’s reserved yet perfectionist personality.
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