"I am aiming to improve my serve, but for the rest, I feel comfortable," Sinner discusses his victory over Popyrin in the second round of the US Open A composed Jannik Sinner did not falter as he advanced to the third round of the US Open. The world number one, who was already efficient in his opening match against Vit Kopriva, easily defeated Alex...
 1 min to read
Patrick Mouratoglou: Serena Williams' Coach, Tennis Innovator, and France's Most Divisive Figure
Miami 2005: Federer's Epic 2-Set Comeback vs. Nadal Ignites Legendary Fedal Rivalry
Miami 2017: Federer-Kyrgios, Dissecting a Tennis Masterpiece
From 1-6 Slump to Masters Glory: John Isner's Historic 2018 Miami Triumph