Djokovic moving on; Sinner, Swiatek advance
Novak Djokovic was at the center of another Australian Open row on Monday while Jannik Sinner needed medical attention in fierce heat to battle into the quarterfinals and Iga Swiatek won easily. But American teenage qualifier Learner Tien’s fairytale run is over after he suffered a thigh problem in a four-set defeat to Italy’s Lorenzo Sonego.