Wimbledon's Electronic Line-Calling System Fails to Deliver

Thursday, Jul 10, 2025 12:34 am ET2min read

Wimbledon's new electronic line-calling system has faced criticism after missing several calls and being overridden by umpires. The system failed due to human error, as an operator had turned off the cameras monitoring one section of the court. Similar issues have arisen throughout the tournament, including inaccurate decisions and calls too quiet to hear. The system has been altered to prevent future errors, but its debut has not been successful.

Wimbledon's new electronic line-calling system, introduced this year, has faced significant criticism and technical issues during the tournament. The system, designed to replace human line judges, has been accused of missing several calls and being overridden by umpires. The primary issue has been traced to human error, with operators inadvertently deactivating the cameras monitoring one section of the court [1].

The most notable incident occurred on Centre Court during the fourth-round match between Britain's Sonay Kartal and Russia's Anastasia Pavlyuchenkova. An "operator error" led to the ball-tracking technology being turned off for one game, resulting in a missed call. Umpire Nico Helwerth opted to replay the point, which Kartal won, but was criticized for not using his authority to overrule the system's decision [1].

Similar issues have arisen throughout the tournament. On Tuesday, during a quarterfinal match between Taylor Fritz and Karen Khachanov, the system malfunctioned, tracking Fritz's shot as if it were a serve. This led to a "fault" call and the point being replayed [2][3].

The All England Lawn Tennis Club (AELTC) has acknowledged these issues and has made adjustments to prevent future errors. The club has removed the ability for Hawk-Eye operators to manually deactivate the ball-tracking system, ensuring that the technology remains active during matches [1]. However, the club has also stated that it will review the need for video reviews, similar to those used in football, at the end of the Championships [1].

The introduction of the electronic line-calling system has also raised concerns about its accuracy and the volume of calls. Some players have questioned the system's reliability, while others have complained about the calls being too quiet to hear. The club has responded by adjusting the volume of the calls, but the system's debut has been far from successful [1].

The electronic line-calling system has been used at many top-level tournaments, including the US Open and Australian Open, which also have video review systems. However, Wimbledon has not implemented such a system, relying instead on umpires to make final decisions. The club has stated that it will review all aspects of the Championships' operation following the event, including the possibility of introducing video reviews [1].

In conclusion, Wimbledon's new electronic line-calling system has faced numerous challenges and criticisms during its debut. While the club has taken steps to address these issues, the system's overall effectiveness remains uncertain. As the tournament progresses, the club will continue to monitor the system's performance and make necessary adjustments.

References:
[1] https://www.bbc.com/sport/tennis/articles/c3vd1w9kr3lo
[2] https://apnews.com/article/wimbledon-line-call-malfunction-9895d88a60c6bf96bdac07512ab0c7fc
[3] https://www.nbcnews.com/sports/tennis/wimbledon-electric-line-calling-system-rcna217559

Wimbledon's Electronic Line-Calling System Fails to Deliver

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