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Wimbledon to Replace Line Judges With Electronic Calling

Extensive testing with 450 cameras underscores Wimbledon's push to boost call accuracy in its most significant officiating overhaul.

More than 450 cameras are being used at Wimbledon and the qualifying event
Tennis - Wimbledon - All England Lawn Tennis and Croquet Club, London, Britain - July 4, 2024 Line judge is pictured during the second round match between Madison Keys of the U.S. and China's Wang Yafan REUTERS/Matthew Childs/File Photo
Wimbledon introduced line-call reviews in 2007
Wimbledon tournament director Jamie Baker pictured on Centre Court

Overview

  • Wimbledon will eliminate human line judges for the first time in its 148-year history when electronic line calling debuts at the Championships in June 2025.
  • Over 450 high-speed cameras have been installed across Centre and No. 1 courts and at the Roehampton qualifiers to power the live ELC system.
  • Approximately 80 former line judges have been rehired as match assistants to aid chair umpires and step in if the technology falters.
  • Tournament director Jamie Baker said the overhaul responds to player expectations and aims to enhance competition integrity.
  • The Australian Open and US Open already rely on electronic line calling, leaving the French Open as the only Grand Slam still using human line judges.