This in-game ladder competition lasts until 12 October and features double battles, with teams of 2 Pokémon: either Koraidon or Miraidon, and a non-Restricted, non-Mythical Pokémon.

Chilean player Ustm Ns, who opted out from competing in the official circuit, has won their first Grand Challenge! They used a team featuring Gallade to finish at a rating of 1825, ahead of 2026 Frankfurt Regional Champion Emanuele Briganti.