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.

Novak Djokovic was at the centre of another Australian Open row on Monday while Iga Swiatek will be desperate to avoid a major shock and Jannik Sinner is also eyeing the quarter-finals. Djokovic has been at the centre of controversy before at the Australian Open,

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