Wimbledon 2025: Changes made to electronic line calling after 'human error'

Wimbledon 2025: Changes made to electronic line calling after 'human error'

Wimbledon has implemented changes to its electronic line calling system following a controversial incident that occurred during a match between Britain’s Sonay Kartal and Russian Anastasia Pavlyuchenkova. The ball-tracking technology was accidentally deactivated due to “operator error,” leading to the need for adjustments to prevent similar issues in the future.

The incident occurred when Kartal sent a backhand long in a crucial moment, but the line-call system failed to detect it, instead making two automated calls of “stop.” Umpire Nico Helwerth decided to replay the point, which Kartal ultimately won, sparking criticism from Pavlyuchenkova and others who believed the ball was clearly out. Pavlyuchenkova suggested the introduction of a video review system similar to that used in football to avoid such controversies in the future.

The All England Lawn Tennis Club (AELTC) acknowledged the human error that caused the problem and emphasized that changes had been made to prevent manual deactivation of the ball tracking by Hawk-Eye operators. While the issue of video reviews will be considered at the end of the Championships, the AELTC maintained that Helwerth followed protocol correctly in handling the situation.

Despite some players questioning the accuracy of electronic line calling and the absence of video reviews, Wimbledon continues to express confidence in the technology’s accuracy. Former British number one Tim Henman praised the technology’s effectiveness when activated, dismissing claims of inaccuracies in line calling. The AELTC also addressed concerns about the volume of calls, stating that adjustments were being made to account for ambient noise on the court and grounds

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