Bandai is hosting a Final Championship for Digimon Card Game English Version in Jan and Feb 2022, there is 1 event for each regions those are:
Europe Registration Date: From 9:00 am CET on January 3, 2022 (Tournamentcenter)
Europe Tournament Date: January 29-30, 2022
Latin America Registration Date: From 9:00 am EST on December 30, 2021 (Coqui)
Latin America Tournament Date: January 29-30, 2022
North America Registration Date: From 9:00 am PST on December 30, 2021 (TAK)
North America Tournament Date: February 5-6, 2022
Oceania Registration Date: From 9:00 am AEDT on December 30, 2021 (TAK)
Oceania Tournament Date: February 5-6, 2022
These events are considering the biggest one of all where there are many champions from Online Regional or Store Championship will join. For now Bandai haven't informed the format of these tournaments, but potentially it is BT6 + ST7/8 + EX1 (EX1?).
In the event news, Bandai also mentioned about the rule where players can only join the event in the region they are living in. This is fair and give better chance for the players in each region.