Overview

• Wimbledon has fully implemented the electronic line calling system for every match at the 2025 Championships, replacing its 148-year-old tradition of human line judges and reducing the officiating pool to 80 match assistants.
• Competitors and spectators have noted early technical issues, including low audio volume, unexpected “out” calls and brief court disruptions.
• Players such as Emma Raducanu, Jack Draper and Carlos Alcaraz have publicly questioned several calls as inaccurate, casting doubt on the system’s fault-detection consistency.
• Former officials Pauline Eyre and Andrew Jarrett warn that removing human judges diminishes the sport’s humanity and could discourage young volunteers from joining the officiating pipeline.
• By adopting electronic line calling, Wimbledon aligns with the Australian and US Opens and ATP and WTA tour standards, leaving Roland-Garros as the only Grand Slam still using human judges for line calls.