Godlike:
Terra Branford (FF6) vs. Melfice (G2): As long as she keeps Melfice below a 2HKO via her def I think she's fine? May need to give up speed to block silence (I forget how accurate his was) but that shouldn't get Melfice to tripleturn territory I don't think.
Velius (FFT) vs. Shania (SH:FtNW): Yeah FFT confuse is pretty bad in a duel. To the point where "let the boss confuse you" is in fact how several SSCCs get through fights, because a confused FFT PC will just keep attacking. The one risk is that Shania uses Cure Plus on Velius but the odds of that are pretty low compared to how many attacking moves she has, and Velius absolutely does not have the durability to live long enough for Shania to run out of SP.
Heavy:
Asellus (SaGa) vs. Hildegarde Valentine (SH:FtNW): "Don't try to kill Asellus with melee physicals" is a good rule of thumb. She takes a bit of a hit to block Death but I think she probably still manages.
Geno (SMRPG) vs. Clarissa Arwin (WA:XF): Second match in a row where Clarissa gets outsped. That said, because she's faster than Geno after turn 1, she might be still able to do something with Rob Turn? Geno does 51% to Clarissa with his physical. Clarissa uses Sacrifice, Rob Turn, (Geno turn stolen), then two more actions which can be either Sacrifice or Howling Shot (they're almost identical damage) and that's... like... 99.9% to Geno or so (I'm not convinced I didn't make a rounding error somewhere). But... WAIT. Clarissa has Throw Block, which despite its name, has a 40% chance to null projectiles. So physicals are out: the chance of the 60% hit landing AND Clarissa missing an early Rob Turn is too low. Geno could use Geno Flash instead, which only does 47% to Clarissa, and now Clarissa has enough damage left in the tank that she can win with just one Rob Turn.
Middle:
Stocke (RH) vs. Jessica de Alkirk (L:SSSC): Y'all have fun with this one, I'm out.
Light:
Milich Oppenheimer (Suikos) vs. Annette Fantine Dominic (FE3H): Repeat.
Ricardo Banderas (XG) vs. Hubert von Vestra (FE3H): Rico's reign of terror comes to an end. As mentioned, Banshee wrecks him even if he were to win the slugfest otherwise.