Dante and Vergil vs Father Rodin w/ twist

The twist is that this is a 2 round matchup. Round one consists of Dante and Vergil in their classic version (DMC/MVC version) while Round two is the DmC incarnations of the brothers.

Who wins against the fallen angel?

Do you mean DMC3 Dante and Vergil when you said "classic version"?
They may have a chance, but story-wise those are their weaker versions. They would put a fight, but can't win. Bayonettaverse is above DMCverse. But DMC2 Dante (story-wise stronger than Sparda) may defeat him. Put Vergil in Nelo Angelo version and then is debatable, maybe.

DmC guys get wrecked, they have totally no chance.

Blitz, most likely.