VCT tiebreakers

Anyone know what happens at the end of the group stages if teams are tied
Does it go to round difference or head to head ?

Head-to-head Match score.
Head-to-head map differential.
Head-to-head round differential.
Split/event map differential.
Split/event round differential.

#2 maybe

coach arm wrestling match, best of 1

Chessboxing between the IGLs

A rock paper scissors sudden death match between the top fraggers from each team