In the face of tennis' reluctance to act on allegations of domestic violence, Nina's stand at the men's Australian Open final was both courageous and important, writes Kate O'Halloran.

No. 2 seed Elise Mertens of Belgium brushed off a loss in a first-set tiebreaker and got past Germany's Tatjana Maria 6-7 (3) ...

Lleyton Hewitt hasn't given up on a potential return to Davis Cup action for Nick Kyrgios despite the former Wimbledon ...