Jannik Sinner confirms coaching change after losing world No 1 status

Jannik Sinner has confirmed a coaching change, parting ways with Darren Cahill, who had been a key part of his team for the last five years. The split comes as Sinner has lost his world No 1 ranking status. The coaching change marks a significant shake-up in Sinner's support staff as he looks to regain the top position in the world rankings.