Originally Posted by lendlmac
the top guns and younger players, , when he knows they are all faster, healthier, stronger, using bigger equipemtn, larger racquets, etc...
in other words equipment is one of the several factors?
in any case, the only guy who consistenty beats fed with a bigger more powerful racquet is Nadal. djoker's frame is not by any means easier to wield or more powerful than Fed's.