The Monthly Challenge Series September 2026 Is Coming!

The Monthly Challenge Series September 2026 Online Competition has been announced, featuring Single Battles governed by Regulation Set M-C rules.

Entry and event periods

• Entry Period: Friday, September 11, 2026, at 02:00 UTC to Monday, September 21, 2026, at 01:59 UTC
• Event Period: Friday, September 18, 2026, at 02:00 UTC to Monday, September 21, 2026, at 01:59 UTC

You can enter this competition even while the event period is active. To enter, go to Battle, then Online Competitions, and select this competition from the list.

Your Battle Team and player information (such as your style and Trainer name) will be registered at the time of entry. Any changes made after this point will not be reflected in the competition unless you withdraw and enter again. Entries made before the event period begins can be withdrawn and re-entered. However, entries made after the event period begins cannot be withdrawn.

Battle rules

This competition comprises Single Battles following Regulation Set M-C.

If the total time allocated for a battle runs out, the match will end, and the result will be determined by the number of remaining Pokémon and their HP.

For lists of permitted Pokémon and complete ranking rules, see the official Eligible Pokémon and Detailed Information pages.

Rewards

To be eligible for the following rewards, you must finish three or more matches with a win or loss during the event period. Once you have checked the ranking results by navigating to Battle, then Online Competitions, you can claim your rewards from your in-game mailbox.

Participation prize

• Indeedee (Female)
• Quick Coupon ×100
• Title: MCS 09/2026 Challenger

Top prizes

Depending on your final placement when the rankings are posted, you can obtain one of the following exclusive titles:

• 1st to 10th place: MCS 09/2026 Master
• 11th to 100th place: MCS 09/2026 Veteran
• 101st to 1,000th place: MCS 09/2026 Ace
• 1,001st to 10,000th place: MCS 09/2026 Rising Star