The world No. 1 and three-time Grand Slam champion lags behind her contemporaries in endorsements despite standing atop her sport.

Jannik Sinner joined some of tennis' greatest legends with another stellar performance in the Australian Open final.

Madison Keys climbs to No. 7 in WTA rankings after winning her first Grand Slam, while Jannik Sinner retains his No. 1 ATP ranking

Four-time major champion Naomi Osaka and World No. 1 Aryna Sabalenka headline the women's competition, while World No. 1 Jannik Sinner, Alexander Zverev and Americans Taylor Fritz and Tommy Paul will compete as well.

Jannik Sinner and the Australian Open have in common the fact that the only thing that can beat them is to let success go to their heads.

Alexander Zverev is into the Australian Open final after Novak Djokovic retired hurt after losing the first set of his clash with the German. The German had taken a tie-break (7-5) when the Serbian called it quits, having struggled with a muscular problem in his left leg. Djokovic was booed as he limped off court.

There’s nothing quite like a sporting curse, and this time it seems a legendary actor might have wreaked havoc at the Australian Open.

Top-ranked Jannik Sinner, No. 2 Alexander Zverev, women’s No. 1 Aryna Sabalenka and former No. 1 Naomi Osaka will play exhibition matches March 1-2 in Las Vegas.

Follow live text and radio commentary featuring Jannik Sinner and Novak Djokovic from the Australian Open semi-finals in Melbourne.

That can only mean one thing, it’s men’s final day. After Madison Keys pulled off a stunning upset over Aryna Sabalenka last night, can Alexander Zverev do the same against favourite Jannik Sinner? We’ve got all the action covered.