Season 9

Season 9 of GO Battle League lasted from August, 2021 to November , 2021. It is preceded by Season 8 and succeeded by Season 10.

In this season, Little Jungle Cup was introduced. GO Battle Night has become GO Battle Day to allow more Trainers participating.

Formats
Great League Remix: 1,500 CP limit. Top 20 Pokémon banned.

Ultra League Remix: 2,500 CP limit. Top 10 Pokémon banned.

Little Jungle Cup: 500 CP limit. Only Normal-, Grass-, Electric-, Poison-, Ground-, Flying-, Bug and Dark-types allowed. Shuckle and Smeargle banned.

Halloween Cup: Only Poison-, Ghost-, Bug-, Dark-, and Fairy-type Pokémon allowed, excluding Legendary and Mythical ones. 1,500 CP limit.

Kanto Cup: Only Pokémon with a Pokédex number between #001 and #151 allowed. 1,500 CP limit.

Rewards
Basic Premium

Stardust The random items can include:
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Reaching Legend rank could earn avatar items and a pose inspired by Leon.

Pokémon
Guaranteed first Pokémon encounters:
 * Charizard: rank 1 (one only)
 * Mienfoo: rank 6
 * Noibat: Veteran rank
 * Deino: Expert rank
 * Pikachu Libre: Legend rank (one only)

Certain Legendary Pokémon could be obtained starting at rank 20 during their time in tier 5 Raid Battles.

End-of-season rewards

 * (rank 19 or above)

Trivia

 * The choice of Kanto Cup was voted by players.