A Whoop is a screen-less health monitor that is worn on a person's wrist, and tracks things like physical output and sleep.

From Novak Djokovic to Aryna Sabalenka, tennis stars are increasingly using technology to get coaching tips. Tennis Australia ...

Iva Jovic has received advice from Novak Djokovic at the Australian Open but could not keep pace with Aryna Sabalenka on Tuesday ...

Aryna Sabalenka beat 18-year-old Iva Jovic 6-3, 6-0 to reach the semifinals of the Australian Open before searing heat on Day ...

Iva Jovic has received playing tips throughout the Australian Open from Novak Djokovic. They worked very well until Tuesday, ...

Top seed Aryna Sabalenka powered past 18-year-old American Iva Jovic 6-3, 6-0 on Tuesday to reach the Australian Open ...

Carlos Alcaraz charged into the Australian Open semi-finals for the first time with an eye-catching 7-5, 6-2, 6-1 victory ...

Iva Jovic set herself up for the biggest match of her career with a straight-set victory over Yulia Putintseva. The teenager dazzled in her 53-minute victory over the Kazakh. Her reward is a ...

Last year saw Jannik Sinner beat Alexander Zverev in the final to successfully his men's singles title, while Madison Keys ...

This Australian Open has been absolutely electric. From Jannik Sinner’s cramps and the controversy surrounding the extreme heat protocol, to Novak Djokovic narrowly ...

However, last year, Djokovic agreed to take part in US Open's two-day mixed doubles event with Olga Danilovic. The Serbian ...