"As a result [of BREN not making it] the format of of Group D will pivot to a double round robin"
So basically each team in group D will be playing against each other twice, aka (order is just an example)
g2 vs sen
g2 vs f4q
sen vs f4q
repeat
and the two teams with the better winning record are moving on
i had f4q making it out of groups, but with this format i think it favors g2 way more tbh :( unlucky