3rd round would be easier to judge if Sasuke went alone after Sage Mode Kabuto with killing intent but he didn't so there isn't much to go by.
Jiraiya should win the 1st round easily but in the 2nd round Sasuke would give him trouble with amateratsu and susano'o
Re: Minato vs Itachi
Minato can dodge everything Itachi can throw at him with his S/T jutsu and since he's a genius, he definitely has knowledge of genjutsu. Still, we don't know if he has any abilities which can pierce Susano'o. Due to that, Itachi wins
Re: Naruto 618 Discussion / 619 Predictions
Orochimaru will allow Sasuke to grill them but will keep them afterwards in his arsenal to use them for battle.
Tobirama however will break free to warn the alliance and help them take on Madara and Obito. We've only seen a little of him (fighting...