Whoop's not happy.

The players complied, but the conversation about the pedometer-esque wearables did not stop there. Ahmed amplified the debate ...

Carlos Alcaraz was forced to remove his Whoop fitness tracker from his wrist during his fourth-round clash with America’s ...

A controversy during Carlos Alcaraz’s tennis match has shone a spotlight on the fitness trackers, which are widely used by ...

The Australian Open’s standoff with fitness-tracking giant WHOOP is flaring up again. Carlos Alcaraz, Jannik Sinner, and ...

Australian Open officials have made headlines for asking Aryna Sabalenka, Carlos Alcaraz and Jannik Sinner to remove Whoop ...

Whoop has been temporarily sidelined at the Australian Open, sparking an unusual controversy around the future of wearables ...

Bands designed to track players' health and performance data on-court are permitted by tennis governing bodies but banned at ...

Sinner, Alcaraz and Aryna Sabalenka have been caught wearing fitness trackers during their matches at the Australian Open ...

After three months of testing, here's my unfiltered review. I realized a couple of years ago that my lifestyle choices could best be described as “voluntarily guzzling an awful cocktail of stress, ...

Approved on tour but barred at Slams, the health tracker controversy exposes the sport’s complicated rulebook.

Health and activity tracker Whoop is causing a stir at the Australian Open tennis tournament, after several players were told ...