Jannik Sinner has lost something compared to the beginning of the season

Jannik Sinner did not shine in his debut in Cincinnati, but he managed to beat the young American Alex Michelsen and qualified for the round of 16. The Italian is still far from the top of his form and has said several times that his main goal is the US Open, which will take place in New York at the end of August.Jannik Sinner© Dylan Buell / Stringer Getty Images Sport The 2024 Australian Open champion has had several problems over the past two months, including a tonsillitis that forc