Tennis greats have questioned why Carlos Alcaraz and Aryna Sabalenka were asked to remove his fitness watch at the Australian Open, as the company behind the fitness device slammed the move.

The news of Italian tennis player Jannik Sinner being asked to remove his wrist device comes as Carlos Alcaraz was also ordered to remove a similar device on Sunday. Alcaraz, like Sinner, attempted to

Carlos Alcaraz has been informed that he is not permitted to wear the fitness device he has been sporting on his wrist during the Australian Open. Alcaraz, who wore the Whoop device under his sweatband,

JANNIK SINNER was ordered to take off a banned device ahead of his Australian Open fourth round clash. The Italian, 24, took on compatriot Luciano Darderi for a place in the last eight in

The incidents involving Alcaraz and Sabalenka, who is also a WHOOP ambasassdor, sparked confusion as the company's devices are officially sanctioned under International Tennis Federation (ITF) rules as approved player analysis technology.

Why were Carlos Alcaraz, Jannik Sinner and Aryna Sabalenka asked to remove WHOOP fitness trackers at the Australian Open 2026? Here’s why they were asked to remove the trackers despite ITF approval.

Carlos Alcaraz was told to remove a device hidden underneath a wrist sweatband ahead of his Australian Open fourth round victory.