I would love to see if Nadal and Fed could win a doubles match against the Bryan Bros without going to the net. I wonder if they could continue to pass two players at net over 3-5 sets. IMO, it's pretty obvious that Nadal and Fed would win if they could volley as well as hit their big forehands and returns in a left and right combo. I think it would be too much for any doubles team to handle (if they cared and really wanted to win). Hence, I would like to see if they could win from the baseline only.