Another 'fault' in line call tech

TENNIS Wimbledon's faltering electronic line calling system suffered another embarrassing malfunction during the men’s quarter-final clash between Taylor Fritz and Karen Khachanov.

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Swedish umpire Louise Azemar-Engzell called ‘stop’ in the opening game of the fourth set on Court One when ‘fault’ was incorrectly called after a Fritz forehand landed well inside the baseline.

The call of ‘fault’, rather than ‘out’, and positioning of the ball suggested the system was still tracking Fritz's serve as opposed to a rally.