Jannik Sinner has shown that he has considerable potential since the beginning of his career, but it took him longer than expected to show the whole world his best version.
The Italian ace's career took a different direction when he decided to leave his first coach Riccardo Piatti after the 2022 Australian Open, where he was defeated very clearly by Stefanos Tsitsipas.
That painful loss made the current world number 1 realize that he needed something different to achieve certain goals.
Jannik made the very surprising decision to start working with Simone Vagnozzi, who was joined by Australian legend Darren Cahill some time later.
Together with his new team, the star from Sesto Pusteria has improved from all points of view and experience has allowed him to file even the most hidden details.
Starting in the second half of 2023, Sinner's level has risen exponentially and his numbers have become truly impressive.
From January 2024 until today, the Italian has collected nine titles and climbed to the top of the ATP rankingwith full merit. The 3-time Grand Slam champion has suffered just six defeats in that time and began his 2025 with his second triumph in a row at the Australian Open, before a three-month suspension that will last until May 4.
Zverev praises Sinner
At just 23 years old, Jannik looks set to make history in this sport and battle with Carlos Alcaraz for at least a decade.
Speaking on Tennis Channel, current world No. 2 Alexander Zverev explained where Sinner has improved the most in the last year and a half: "He has a very precise strategy every time he faces an opponent and he never leaves that tactical plan, he always stays focused on what he has to do.
Jannik has always had important weapons, there is no need to emphasize his forehand or his backhand, but what he has improved the most in is the tactics.
In this sense, the entry of Darren Cahill into his team was fundamental."
