Wimbledon 2011 day nine - in pictures

The top four seeds in the men's draw are in action today in the quarter-finals. This Roger Federer fan seems convinced the Swiss, seeded number three, can add to his Grand Slam tally Photograph: Tom Jenkins for The Guardian

She could well be right as Federer dominates the opening set and leads 6-4. The second set is a tighter affair and goes to a tie-break Photograph: Tom Jenkins for The Guardian

Tsonga, who was defeated in the final at Queens this year by Andy Murray, loses the battle and trails by two sets Photograph: Tom Jenkins for The Guardian

All that exertion and no reward Photograph: Tom Jenkins for The Guardian

But Tsonga rallies to win the third set 6-4 Photograph: Tom Jenkins for The Guardian

And the fourth set 6-4 Photograph: Tom Jenkins for The Guardian

Federer has never before lost a grand slam match in which he's led by two sets, but it could be about to happen here ... Photograph: Tom Jenkins for The Guardian

Tsonga breaks Federer in the opening game of the fifth set Photograph: Tom Jenkins for The Guardian

Crucially, he then holds serve immediately afterwards Photograph: Tom Jenkins for The Guardian

Federer looks dejected as a line-call goes against him - there's a sense of inevitability about this now Photograph: Tom Jenkins for The Guardian

Tsonga jumps around with delight as he closes out the set and completes a remarkable comeback to win by three sets to two Photograph: Tom Jenkins for The Guardian

A despondent Federer congratulates his French opponent Photograph: Tom Jenkins for The Guardian

... before Tsonga laps up the adulation of the crowd Photograph: Tom Jenkins for The Guardian

Centre Court remains packed for the second match of the day ... it's Andy Murray versus Feliciano Lopez Photograph: Tom Jenkins for The Guardian

The celebrities are out in force for this one. Here's F1 driver Lewis Hamilton ... Photograph: Tom Jenkins for The Guardian

... Vogue editor Anna Wintour, and golfers Jack Nicklaus and Greg Norman are there too Photograph: Tom Jenkins for The Guardian

Not to mention Pippa Middleton Photograph: Tom Jenkins for The Guardian

Murray opens strongly against Lopez and breaks his opponent in game six Photograph: Tom Jenkins for The Guardian

Lopez hasn't had a sniff on Murray's serve - and duly loses the first set 6-3 Photograph: Tom Jenkins for The Guardian

This is a doddle for Murray, who has never lost to Lopez. He wins the second set 6-4 ... The only moment of concern comes at the start of the third set when he appears to injure his hip - though any pain is short-lived Photograph: Tom Jenkins for The Guardian

Murray celebrates another break of serve which hands him the advantage in the third set and, ultimately, the match Photograph: Tom Jenkins for The Guardian

That was over before it even started. Can't imagine Rafael Nadal will be so ease to brush aside in the semi-final on Friday Photograph: Tom Jenkins for The Guardian