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Sports·The Trace·Dual reading·Published 2026-07-12

AI electronic line-judging for line calls at Wimbledon 2025

Source article: Rage against the machines: ignore the fury at Wimbledon, AI in sport works | Sean Ingle

Abstract: We are all suckers for a good story. And there was certainly a cracking two‑parter at Wimbledon this year. First came the news that 300 line judges had been replaced by artificial intelligence robots. Then, a few days later, it turned out there were some embarrassing gremlins in the machine. Not since Roger Federer hung up his Wilson racket has there been a sweeter spot hit during the Wimbledon fortnight. First the new electronic line-judging system failed to spot that Sonay Kartal had whacked a ball long during he

TRV-2026-0083JournalismPermanent record — cite & verify
Trace impact reading

Negative state: both sides are scored from claims and sources, not community votes.

P 58The P score combines the specificity and measured human impact of the grounded problem claim with the strength of this Trace’s cited sources.G 52The G score combines the specificity and measured human impact of the grounded gain claim with the strength of this Trace’s cited sources.
Rage against the machines: ignore the fury at Wimbledon, AI in sport works | Sean Ingle
The quick read

At Wimbledon in July 2025, organizers replaced 300 human line judges with an artificial intelligence electronic line-judging system. Shortly after deployment, the new system failed to detect that player Sonay Kartal had hit a ball long during a match.

The case illustrates both automation of sports officiating and the operational risk of errors in high-profile competition. The truncated excerpt does not provide error rates, correction procedures, or longer-term performance data needed to judge reliability.

Main points
  • Wimbledon implemented a new electronic line-judging system in 2025 described as artificial intelligence robots.
  • The deployment replaced approximately 300 human line judges.
  • During a match involving Sonay Kartal, the system failed to detect a ball hit long.
  • The incident was reported as embarrassing gremlins in the machine days after the replacement was announced.
Gain

At Wimbledon 2025, an AI electronic line-judging system was deployed to replace 300 human line judges.

Problem

At Wimbledon 2025, the new AI electronic line-judging system failed to spot an out ball hit long by Sonay Kartal.

The rundown

By 15 July 2025, Wimbledon had replaced 300 line judges with an AI electronic line-judging system. Days after the rollout, the system failed during a match to spot that Sonay Kartal had hit a ball long, an incident described as gremlins in the machine.

Automated line-calling matters because it changes officiating jobs and match outcomes at a major tournament. It remains unclear from the excerpt how frequent such errors were, how they were resolved, or whether overall accuracy improved compared to human judges.

Sources

Reader signal

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The debate