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Australian Open Umpires Enforce Wearables Ban, Order Sinner to Remove Whoop Tracker

Tournament officials are enforcing a longstanding electronic‑device ban to prevent in‑play data transmission.

Overview

  • Chair umpire Greg Allensworth noticed a device on Jannik Sinner before his match with Luciano Darderi and required its removal.
  • Sinner was wearing a Whoop bracelet that tracks heart rate, strain and recovery without a display, and he said he uses the data after matches and will not wear it on court again.
  • Sinner complied without sanction, then beat Darderi 6-1, 6-3, 7-6 to advance to the Australian Open quarterfinals.
  • Organizers have stepped up checks this event, with Carlos Alcaraz and Aryna Sabalenka also told to remove or stop using similar trackers.
  • Whoop CEO Will Ahmed criticized the enforcement and claimed ITF approval, while officials pointed to rules in place since 2015 barring such devices during matches.