Jannik Sinner[a] (born 16 August 2001) is an Italian professional tennis player. He is ranked as the world No. 1 in singles by the Association of Tennis Professionals (ATP), the first Italian player to reach the top ranking.[4] Sinner has won 16 singles titles on the ATP Tour, including two majors at the 2024 Australian Open and the 2024 US Open, as well as three Masters 1000 titles.[5][6][7] Sinner was runner-up at the 2023 ATP Finals and led Italy to the 2023 Davis Cup crown, its first since 1976.[8] He has a career-high ranking of world No. 124 in doubles, achieved in September 2021, and has one ATP Tour title in doubles.[9]
