By Martyn Herman LONDON (Reuters) -Unseeded Anastasia Pavlyuchenkova recovered from being robbed of a crucial point by an automated line-calling malfunction to beat Britain's Sonay Kartal 7-6(3) 6-4 to reach the Wimbledon quarter-finals on Sunday for the second time.

Sonay Kartal was knocked out of Wimbledon after her Russian rival claimed the British player got special treatment when the electronic line calling failed on Centre Court. Anastasia Pavlyuchenkova, 34, recovered to knock the last British female out of the singles 7-6 6-4.

Wimbledon organisers have apologised after the electronic line-calling system was turned off in error at a crucial moment in Sonay Kartal’s match on Centre Court.According to The Guardian, the British No 3’s opponent,