CENTRE COURT, THE ALL ENGLAND CLUB — Anastasia Pavlyuchenkova suggested her British opponent may have received preferential treatment as simmering tensions around Wimbledon ’s use of electronic line calling (ELC) instead of line judges boiled over Sunday, when the technology malfunctioned at a crucial point on Centre Court.

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. The gaffe occurred during

Organizers of this year’s Wimbledon have said a ball boy caused the latest error from the electronic system that has replaced the traditional line umpires at this year’s tournament.