‘Stubborn’ Sinner ‘Special To Work With’ According To Coach
Simone Vagnozzi has called his working relationship with Jannik Sinner “special” in light of the most accomplished season of the 22-year-old’s career. Sinner enjoyed a seismic rise into the world’s Top 5, climbing to a career-high of World No. 4, which is the joint highest by an Italian man in ATP rankings history (equaling the…