So it says here 8 teams swiss system where all games are bo3 https://liquipedia.net/valorant/VCT/2024/Stage_1/Masters
So, we have :
KC(EU#1) LOUD (NA#1)
HERETICS(EU#2) SEN(NA#2)
GENG(PACIFIC#1) EDG (CN#1)
PRX(PACIFIC#2) FPX (CN#2)
Possible match-ups:
KC - SEN
LOUD - PRX
GENG-FPX
EDG-Heretics
-----------------------------------
(1-0)
KC-GENG
LOUD-EDG
-----------------------------------
(0-1)
SEN-FPX
PRX-Heretics
(2-0) u advance to playoffs (kc & loud)
-----------------------------------
(1-1) u play for the last chance
GENG-SEN
PRX-EDG
====>(2-1) (SEN,PRX)
So we have 10 games in total + 6 in playoffs = 16 games tournament