if everything goes normal Kiefer will not have any chance, but Kiefer leading 3-2 in h2h is not too bad and he has beaten Federer three times in three close sets on hardcourt and once in Halle, a tournament Kiefer played well throughout his career. (see Kiefer's Halle cheering thread, I've posted his results over the last few years there).
Sure, Federer was a top player at these times, too... but he improved so much since these meeting Kiefer could win that I'm not considering the h2h wins of Kiwi for too significant.
In 2003 Federer was in a zone en route to his Wimbledon victory and Kiefer had no chance against him in Halle as Federer was winning easily in two sets 6-1 6-3.
If everything goes normal I'm expecting Roger to win in three clear sets 6-2 6-3 6-2 or something like that. He should be able to break Kiefer at will whenever he wants to and needs the break.
Actually I would be happy if Kiefer would win only ONE SINGLE SET against Roger or if Kiefer loses in tight sets, such as 6-4 7-6 6-4
I'm really a big Kiefer fan, but I'm staying with reality right now and I just can't see ANY CHANCE, NO CHANCE AT ALL for Kiwi here for an upset
I just hope for a good performance from Kiefer and that the match lasts longer than 90 minutes.