John Isner explains why Novak Djokovic had better 2025 season over Ben Shelton as 3rd best player behind Carlos Alcaraz & Jannik Sinner

John Isner voiced his opinion about why Novak Djokovic had a better season than Ben Shelton. He chose the Serb over the American as the third-best player behind Carlos Alcaraz and Jannik Sinner.