Season 9 - Ultra League and Ultra League Remix
GO Battle League
The Ultra League and the Ultra League Remix will run from Monday, September 13, 2021, at 1:00 p.m. to Monday, September 27, 2021, at 1:00 p.m. PDT (GMT −7).
- Only Pokémon under 2500 CP can be used.
Ultra League Remix
- Only Pokémon under 2500 CP can be used. The 10 Pokémon most used by Trainers Ace rank and up in the Ultra League will not be allowed in the Great League Remix.
The following Pokémon will not be allowed.
Banned from Ultra League Remix
- Alolan Muk
- Giratina (Altered)