The defending champion Roger Federer enters Centre Court as he bids to earn a spot in the semi-finals yet again

Mario Ancic is in impressive form during the opening game of the match as he holds his nerve and his serve

Federer responds to his Croatian opponent and also holds serve as the players appear to be evenly matched

The rain arrives in SW19 prompting the covers to appear on Centre Court with the match poised at 2-2 in the first set

Play resumes after a delay of an hour and a half and Ancic is unable to prevent Federer from winning the first set 6-4

The Swiss star claims the second set 6-4 after another rain delay and looks to be on course for the semi-final

Federer is in awesome form and wraps up a straight sets win over the Croatian - winning 6-4 6-4 6-4 in style

Sweden's Jonas Bjorkman leads Radek Stepanek 6-5 in the encounter on Court One before the rain arrives again

Stepanek loses the opening set in a tie-break but manages to win the second set 6-4 to level the match

The next two sets are shared and veteran Bjorkman wins the decider to move into his first Grand Slam semi-final

Lleyton Hewitt celebrates pulling a set back in his quarter-final match with Marco Baghdatis after losing the first set 6-1

But Baghdatis regains the lead, taking the third set on a tie-break before wrapping up victory in style

The longest match ever at Wimbledon finishes 23-21 to Knowles and Nestor in the fifth set against Aspelin and Perry