2011 French Open Semi-Final, Federer vs. Djokovic(01 of12)
Open Image ModalSwitzerland's Roger Federer , right, checks his racket while Serbia's Novak Djokovic walks past during their semi final at the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Lionel Cironneau) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(02 of12)
Open Image ModalRoger Federer of Switzerland serves against Novak Djokovic of Serbia in the semi final match of the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Christophe Ena) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(03 of12)
Open Image ModalSerbia's Novak Djokovic returns the ball to Switzerland's Roger Federer during their semi final at the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Lionel Cironneau) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(04 of12)
Open Image ModalSerbia's Novak Djokovic clenches his fist as he plays Switzerland's Roger Federer during their semi final match for the French Open tennis tournament at the Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Michel Euler) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(05 of12)
Open Image ModalNovak Djokovic of Serbia returns against Roger Federer of Switzerland in the semi final match of the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Christophe Ena) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(06 of12)
Open Image ModalRoger Federer of Switzerland returns against Novak Djokovic of Serbia in the semi final match of the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Christophe Ena) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(07 of12)
Open Image ModalNovak Djokovic of Serbia returns against Roger Federer of Switzerland in the semi final match of the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Christophe Ena) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(08 of12)
Open Image ModalRoger Federer of Switzerland returns against Novak Djokovic of Serbia in the semi final match of the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Michel Euler) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(09 of12)
Open Image ModalSerbia's Novak Djokovic returns the ball to Switzerland's Roger Federer during their semi final match for the French Open tennis tournament at the Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Michel Spingler) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(10 of12)
Open Image ModalSwitzerland's Roger Federer returns the ball to Serbia's Novak Djokovic during their semi final match for the French Open tennis tournament at the Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Michel Spingler) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(11 of12)
Open Image ModalSwitzerland's Roger Federer reacts as he plays Serbia's Novak Djokovic during their semi final at the French Open tennis tournament in Roland Garros stadium in Paris, Friday June 3, 2011. (AP Photo/Lionel Cironneau) (credit:AP)
2011 French Open Semi-Final, Federer vs. Djokovic(12 of12)
Open Image ModalSerbia's Novak Djokovic returns the ball to Switzerland's Roger Federer during their semi final match for the French Open tennis tournament at the Roland Garros stadium in Paris, Friday June 3, 2011 (AP Photo/Christophe Ena) (credit:AP)