Why is there no Hawk-Eye at Wimbledon in 2025? ...Middle East

Hawk-Eye was an integral part of the modern-day Wimbledon experience, revolutionising how we saw the game.

While other Grand Slam tournaments transitioned to fully automated line calls, eliminating the need for line judges, Wimbledon continued to rely on this hybrid system, despite calls from players including Andy Murray to bring in automated line calls.

The introduction of Hawk-Eye captivated both fans and players, with every big call eliciting strong reactions. The slow, building clap that accompanies each review has become as much a Wimbledon tradition as strawberries and cream.

But those days are over, and Wimbledon line judges have been replaced by fresh technology. Hawk-Eye have created a real-time system to make line calls automatically, without the need for human input.

But how exactly does Hawk-Eye work? The system makes split-second decisions with incredible precision, using advanced cameras to determine whether a ball is in or out. With so much at stake, the accuracy and speed of Hawk-Eye are indispensable.

RadioTimes.com brings you everything you need to know about the impressive Hawk-Eye system at Wimbledon.

How does Hawk-Eye work?

Despite its name, this piece of umpiring sadly doesn’t have anything to do with actual hawks (although the All England Club does rely on Rufus the Harris hawk to deter pigeons!).

Hawk-Eye is built from a network of 10 cameras around the court that capture 60 high-resolution images per second. At least five cameras cover every bounce of the ball.

A centralised computer system rapidly processes the images, triangulates the position of the ball and calculates a flight path – the yellow streak you see behind the ball in the Hawk-eye graphics.

Hawk-Eye collects data for every shot taken in the match, not just the close calls.

This is to make sure all 10 cameras are doing their job, as well as providing plenty of talking points for analysts and pundits.

The 26-strong Hawk-Eye team ensures the cameras are calibrated to the court lines, and must do this again when faded lines are repainted throughout the tournament.

During games, a team of four work from a commentary booth: two Hawk-Eye team members, one big-screen operator and one review official (a certified umpire).

For more Wimbledon features, check out: Wimbledon FAQs, facts and figures | Who has won Wimbledon the most times?

After it was first tested in 2004, the system was implemented on Centre Court and Court 1 in 2007.

It is now used across Centre Court plus courts one, two, three, 12 and 18.

Players on courts without Hawk-Eye were solely made to rely on line umpires to make the right calls.

Of course, that has all changed with the introduction of automated systems in 2025.

How accurate is Hawk-Eye?

The Hawk-Eye system has a 2.2mm margin of error, with research reports claiming the system can be as much as 10mm off.

Why? The ball may move too quickly to be properly captured on camera as all cameras have a finite frame-speed.

As one University of Cardiff paper says, "If the frame-speed is, say, 100 frames per second, and the ball is moving at about 100 mph it will travel about 1.5 feet between frames."

This margin of error can cause controversy during big points.

During the 2007 Wimbledon final between Rafael Nadal and Roger Federer, a ball that appeared to be out was called in by 1mm.

There are other occasional problems with the system. During a 2017 match between Rafael Nadal and Borna Coric, the Hawk-Eye graphic failed to show on screen, with Nadal seeming sceptical about the final call.

But despite the problems with Hawk-Eye, it’s a lot more reliable than human line judges.

Studies have suggested 8.2% of all line calls involving balls within 100mm of a court line will be called incorrectly by line judges.

This means you can expect line judges to make four errors per set, and Hawk-Eye will happily mop up the mistakes as long as the technology is present on court.

Caroline Wozniacki's third round defeat to Zhang Shuai in 2019 was shrouded in controversy after three calls went against the Danish player due to Hawk-Eye, though she insisted the system was inaccurate in furious outbursts at the umpire.

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