Switzerland's Roger Federer changes his shirt during a break in his fourth round match against Germany's Tommy Haas at the French Open tennis tournament at the Roland Garros stadium in Paris, Monday June 1, 2009. AP Photo logo AP Photo 8 months ago

Switzerland's Roger Federer changes his shirt during a break in his fourth round match against Germany's Tommy Haas at the French Open tennis tournament at the Roland Garros stadium in Paris, Monday June 1, 2009.