In what has to be the best costume ever donned by one of the sports steeliest queens, we present Steffi Graf as Bjork. Others tennis costumes this week are Graf's husband, Andre Agassi as guitarist Slash, and Andy Roddick and Brooklyn Decker as the Bobbitts (complete with "body part"). 

And Novak Djokovic walked onto the court in Bercy wearing a Darth Vader mask before getting upset by Sam Querrey in that second round match. Maybe a little more focus on your game instead of dreaming up your on-court costumes, eh?