At the 2018 Pokémon World Championships, The Pokémon Company has officially detailed the 2019 Video Game Championships Regulations for the new GS Cup, Sun Series, Moon Series and Ultra Series:

GS Cup

Players may use any Pokémon except for Mythical Pokémon and Ash-Greninja. They may include only two of the Restricted Pokémon, like Mewtwo, Groudon, or Necrozma, on their teams.

Games: Pokémon Ultra Sun and Pokémon Ultra Moon

Battle Format: Double Battle

Sun Series

September 4 – January 7

Z-Crystals and Mega Stones are banned

Red Orb and Blue Orb are banned

Rayquaza may not know Dragon Ascent

Check out Pokemon.com/VGC for more info!

Moon Series

January 8 – April 1

Mega Stones are banned

Ultranecrozium-Z, Red Orb and Blue Orb are banned

Rayquaza may not know Dragon Ascent

Check out Pokemon.com/VGC for more info!

Ultra Series