>>49999414Assuming an actual tournament in terms of Pokémon battles:
Misty vs Whitney: Misty
Bea vs Acerola: Acerola
Roxie vs Candice: Candice
Roxanne vs Valerie: Roxanne
Misty vs Acerola: Since Red & Blue show up in the Alola games, if we make the assumption that Misty continues to train after the events of the Johto games like they did, her. If not, Acerola.
Candice vs Roxanne: Roxanne
Misty/Acerola vs Roxanne: Misty/Acerola