Under cross-examination he said clerical error may have accounted for such a high figure and that only four people had "definitely" been tied to voter fraud.

CNN: STORY HIGHLIGHTS

Sunderland tried to muster a response but struggled retain possession before Fulop's error from Ngog's hooked cross allowed a grateful Benayoun to slot home.

BBC: Liverpool 2-0 Sunderland

In the end, it was Davydenko who brought the world number three back into the match with a poor game at 4-4, making a backhand error before going for too much on a cross-court forehand and dragging it into the tramlines on break point.

BBC: Djokovic edges past Davydenko