Originally Posted by trulliscorpion
If I recall correctly Kiefer was the only one to take a set off Federer last year on Wimbledon, and one of 3 people to take a set off him on US Open. He's not an easy opponent for Roger.
Neither is clay...but ya, Fed has had some trouble with both of them, but not Nalby/Nadal level trouble. Meh, its the round of 16, if Fed loses, it'll be the upset of the year, much like every one of his rounds of 16 for the last 8 or so slams.