Celebrated coach: “Jannik Sinner changed everything.”

The renowned coach: "Jannik Sinner changed everything"

Jannik Sinner&#39s crazy impact is changing tennis: Rick Macci, celebrated former coach of Venus and Serena Williams, is certain of this, and he explained on X how the Azure dominated 2024.

"Sinner has changed the game with the firepower of his shots and with changes to the forehand. He can now impart even more explosiveness to his swing, hitting the ball so early that he gets the most&quot, Macci wrote on his profile.

Sinner is expected to open his 2025 in Melbourne at Open Week, an exhibition tournament in preparation for the Australian Open, where he arrives as defending champion. 

The sports court ruling on WADA’s appeal of the Clostebol case è expected in February.