ROTS Obi Wan vs. ANH Ben Kenobi/TPM Kenobi

Battle takes place on neutral ground

Round 1: Novelization feats for ROTS Kenobi only

Round 2: All feats are applicable

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Team due to numbers and Ben being wiser/knowing all of RotS Kenobi's moves.

Indeed. The team of old and young Kenobi takes this.

Yeah, Team. The fact there's all this Soresu going around means the youngling Kenobi has time to figure out how to not die while the old man holds off his younger self.