Video Game Trainers competed in the Pokémon 25th Invitational using the Ranked Battle Series 10 Double Battle Rules in a double-elimination bracket. Battles took place in Pokémon Sword and Pokémon Shield. Players were permitted to use any Pokémon in the Galar Pokédex, the Isle of Armor Pokédex, and the Crown Tundra Pokédex, and were allowed to include one of the Legendary Pokémon normally restricted from battle on their teams. Dynamaxing was not permitted.