Why did Jannik Sinner plan to quit tennis at 23 or 24?
Italian tennis star Jannik Sinner revealed during a pre-US Open press conference that he had made a promise to his parents early in his career to quit tennis if he couldn't reach the top 200 rankings by age 23 or 24, citing financial constraints his family faced at the time. Fortunately, Sinner's talent paid off early by 18.