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.

The world No. 1 came agonizingly close to winning a third straight title Down Under, but leaves Melbourne with plenty of positives despite a runner-up finish to Madison Keys.

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.

19-seed Madison Keys upset World No. 1 Aryna Sabalenka to clinch her first Grand Slam title at 29 years old. On the men's side, the top two ranked players faced off, with Jannik Sinner dominating ...

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.

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

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

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.

Madison Keys won her first Grand Slam and Jannik Sinner defended his Australian Open title. What does this mean for the rest of the year? We take a look.

Australian Open is in its final days of competition, and this weekend the winners in singles and doubles in both the women's and men's categories will be decided. The two