Wimbledon: Day 9

France's Jo-Wilfried Tsonga hits a return during Wednesday's quarterfinal match against Switzerland's Roger Federer.

Roger Federer returns a shot to Jo-Wilfried Tsonga during their quarterfinal match.

Jo-Wilfried Tsonga dives across the court to reach for a shot during his match against Roger Federer.

Mirka Federer observes Wednesday's Tsonga-Federer match on Centre Court.

Jo-Wilfried Tsonga reacts during Wednesday's quarterfinal.

Fans of Roger Federer watch Wednesday's match on Centre Court.

Jo-Wilfried Tsonga reacts after defeating Roger Federer.

Roger Federer leaves the court after losing to Jo-Wilfried Tsonga.

Former golfer Greg Norman watches the Tsonga-Federer match with wife Kirsten.

A spectator wears a mask depicting Roger Federer.

Serbia's Novak Djokovic rests on the edge of the court during his quarterfinal match against Australia's Bernard Tomic.

Fans of Bernard Tomic stand on Court 1 before his quarterfinal match against Novak Djokovic.

Novak Djokovic (left) shakes hands after defeating Bernard Tomic.

Bernard Tomic serves to Novak Djokovic during their quarterfinal match.

Spain's Rafael Nadal returns a backhand shot to Mardy Fish of the United States in their quarterfinal match.

Mardy Fish hits a return to Rafael Nadal.

Rafael Nadal of Spain celebrates after defeating Mardy Fish.

Fans settle in for the quarterfinal between Andy Murray and Feliciano Lopez.

Feliciano Lopez of Spain hits a return to Andy Murray of Great Britain during their quarterfinal match.

Andy Murray serves to Feliciano Lopez.