Jannik Sinner || 10 Things You Didn't Know About Jannik Sinner #JannikSinner #Jannik #Sinner Jannik Sinner is an Italian professional tennis player. He was Born on August 16, 2001 in San Candido, Italy. He grew up in the town of Sexten, where his father and mother work as a chef and a waitress at a ski lodge. He has a brother named Marc. Sinner began both skiing and playing tennis at age three. He was one of Italy's top junior skiers from eight to twelve years old, winning a national championship in giant slalom at age eight and earning a national runner-up at age twelve.