EMS Sasuke when he finally learned how to use his new powers (unlike when he fought Kabuto), versus EMS Madara (without Kurama or any Bijuu).
Note: Madara isn't an Edo.
It goes either way.
If Sasuke decides to just randomly start the match off with Amaterasu, he wins this
But since Madara's PS actually has feats, he would demolish Sasuke if the match progressed.
EMS Madara shown more for me to believe he will take this with med diff at best. EMS Sasuke is sorely lacking in respectable feats when compared against EMS Madara's.