of Austria will be looking to cause a huge shock when he takes on Roger Federer in the 4th round of Wimbledon today on Centre Court.
Melzer has been in great form in recent times he reached the Semi Finals of the French Open last month but lost in straight sets to Rafael Nadal 6-4 6-2 6-4.
On his way to the final Melzer beat David Ferrer of Spain in 3 sets he then went on to beat the world number 3 Novak Djokovic in 5 sets from 2 sets to love down.
Federer on the other hand won Wimbledon for the 6th time in his career last year when he beat Andy Roddick of the USA 16-14 in the 5th set.
Roddick is now a 3 time Wimbledon finalist also losing the title match in 2004 and 2005 however Roddick did win the US Open back in 2003.