Jannik Sinner taking Australian Open lesson from Novak Djokovic loss Jannik Sinner entered Thursday night's semifinal against Novak Djokovic as a heavy favorite, but was ousted by the 37-year-old. Original Source: https://sports.yahoo.com/articles/jannik-sinner-taking-australian-open-195852274.html Previous article: Aryna Sabalenka Hints at Engagement with Boyfriend Georgios Frangulis Before Australian Open Final Prev Next article: Sabalenka vs Rybakina: Clijsters predicts who will dictate the final Next