Season 3

Season 3 of GO Battle League lasted from July, 2020 to September , 2020. It is preceded by Season 2 and succeeded by Season 4.

Premier Cup was available with Ultra and Master Leagues during this Season, with the Premier Cup in Ultra League following to the CP limit of 2500. When all the formats were available, only the Premier Cup with no CP limit took place.

During this Season, Trainers still did not require walking to unlock battle sets. The "Battle Until You Win" feature is removed.

Rewards
Six Rare Candies were rewarded in the fourth win on the premium rewards instead of eight in the fifth win.

Basic Premium

Stardust

The random items included:
 * or.
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Reaching rank 10 could earn avatar items and an avatar pose inspired by Blue.

Pokémon
Guaranteed Pokémon encounters:
 * Pidgeot was the first guaranteed encounter.
 * Galarian Zigzagoon was the first encounter in rank 4.
 * Galarian Farfetch'd was the first encounter in rank 7.
 * Rufflet was the first encounter in rank 8.
 * Scraggy was the first encounter in rank 9.
 * Libre Pikachu was the first encounter in rank 10, one only.

End-of-season rewards

 * (rank 7 or above)

Events

 * On July, Niantic announced GO Battle League will no longer be unavailable during server maintenance.
 * A new format, Flying Cup was initially planned for this Season. It was postponed to the GO Battle Night in Season 4.