Taylor Fritz of the U.S. reacts during the men's singles quarter final match against Karen Khachanov of Russia at the Wimbledon Tennis Championships in London, Tuesday, July 8, 2025.(AP Photo/Kin Cheung)

LONDON (AP) — A malfunction with Wimbledon's new electronic line calling system required a point to be replayed during a quarterfinal match between Taylor Fritz and Karen Khachanov on Tuesday.

The gaffe occurred during the first game of the fourth set on Court No. 1 after Fritz had served at 15-0 and the players exchanged shots. Then came what sounded like a “fault” call.

Chair umpire Louise Azemar-Engzell stopped play and a few moments later ordered the players to “replay the last point due to a malfunction."

The All England Club said it was looking into the issue.

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Karen Khachanov of Russia reacts during the men's singles quarter final match against Taylor Fritz of the U.S. at the Wimbledon Tennis Championships in London, Tuesday, July 8, 2025.(AP Photo/Kin Cheung)

On Monday, club officials blamed “ human error ” for a glaring mistake in the electronic system that replaced human line judges this year.

Club chief executive Sally Bolton said Monday that the technology was “inadvertently deactivated” by someone for three points at Centre Court during Anastasia Pavlyuchenkova’s three-set victory over Sonay Kartal a day earlier in the fourth round. On one point, a shot by Kartal clearly landed past the baseline but wasn’t called out by the automated setup — called Hawk-Eye — because it had been shut off.

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AP tennis: https://apnews.com/hub/tennis