Tough break for Lorenzo Musetti, who was up two sets on the Djoker before a leg injury forced him to retire—making him the first in Open Era history to do so at this stage. Jannik Sinner, fresh off a straight-sets win over Ben Shelton, showed real class in his comments about Musetti. Now, with Sinner riding a 12-match win streak against top 10 players, the big question: Can he topple the King of Melbourne, Novak Djokovic, yet again? Let’s hear your predictions! #Sports #Tennis #AustralianOpen