Here's the official ruleset for Challengers: https://drive.google.com/file/d/1iHjosZ2E22vxKIqp6R9TJ7G5HoSo8Mk4/view

The eight (8) teams qualifying into Challengers Week 1 from Qualifier 1 will be seeded by the metrics in the order detailed below (ties in one tier will make the next tier determine seeding):

1. Match Win Percentage throughout Qualifier 1
2. Map Win Percentage throughout Qualifier 1
3. Round Win Percentage throughout Qualifier 1
4. Pre-Tournament Seed

Everyone is tied on Match Win Percentage, so we look at Map Win Percentage, with Round Win Percentage for tie-break (and pre-tournament seed for NV and C9B):

1. 100T: 8-0 (104-37)
2. XSET: 8-0 (104-47)
3. NV: 8-1 (113-52 - 68.48%) (Open Qualifier seed 4)
4. C9B: 8-1 (113-52 - 68.48%) (Open Qualifier seed 14)
5. IMT: 8-1 (108-50 - 68.35%)
6. V1: 8-1 (114-83 - 57.87%)
7. BBG: 8-2
8. ANDBOX: 8-3