Has Jannik Sinner won a Grand Slam? Sinner won his first Grand Slam last year at the Australian Open in 2024, and he followed it up by winning the US Open later in the year. Jannik Sinner defeated Felix Auger-Aliassime in straight sets to win the 2025 Rolex Paris Masters. Get all the latest Jannik Sinner news, stats, performance, facts, history, and biography. Also, get Jannik Sinner ’s latest career stats, wins, championships, titles ... Jannik Sinner [a] (born 16 August 2001) is an Italian professional tennis player. He has been ranked world No. 1 in men's singles by the Association of Tennis Professionals (ATP), including as the year-end No. 1 in 2024.
