The Monthly Challenge Series June 2026 competition is set to take place in Pokémon Champions from June 25 to June 28, giving Trainers another opportunity to test their skills in official online competition. The event will follow Regulation M-B and use the Single Battle format, requiring players to build teams that comply with the current ranked ruleset. Competitors can battle for placement, earn rewards and gain valuable experience against other Trainers from around the world. With Regulation M-B now underway, the Monthly Challenge Series offers an early chance to explore the format and see how emerging strategies perform in a competitive setting.
Source: The Pokémon Company and Pokemon.com
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