Season 10

Season 10 of GO Battle League lasted from November, 2021 to March , 2022. It is preceded by Season 9 and succeeded by Interlude Season.

In this season, Trainers who reach Legend rank would be able to register early for certain Pokémon GO World Championship Series events. Pokémon in reward encounters were slightly easier to catch. Sinnoh Cup and Johto Cup were introduced.

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

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

Holiday Cup: 1,500 CP limit. Only Normal-, Grass-, Electric-, Ice-, Flying-, and Ghost-types allowed.

Sinnoh Cup: 1,500 CP limit. Only Pokémon with a Pokédex number between #387 and #493 allowed.

Love Cup: 1,500 CP limit. See official blog post for allowed Pokémon.

Johto Cup: 1,500 CP limit. Only Pokémon with a Pokédex number between #152 and #251 allowed.

Rewards
Basic Premium

Stardust The random items can include:
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Reaching Legend rank could earn avatar items inspired by Lysandre.

Pokémon
Guaranteed first Pokémon encounters:
 * Pyroar: 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

 * Season 10 was originally planned to end on February, 2022. It was extended for one more day when the Interlude Season was announced.