If you didn't know already, the official Youtube channel, where the VCT streams are, have thumbnails of 2 players of the 4 teams that are playing that day, and most of the predictions are correct.
PLAYOFFS
FNC vs G2 - correct (Alfajer)
DRX vs TE - correct (Mako)
TH vs FNC- correct (Woot)
LEV vs G2 - correct (Kinggg)
TE vs EDG - correct - (Kangkang)
SEN vs DRX - correct - (Zekken)
GROUP
EDG vs PRX - correct - (KangKang)
LEV vs VIT - correct - (Tex)
FNC vs KRU - correct - (Alfajer)
SEN vs GENG - correct?? - (Zellsis)
FUT vs PRX - correct - (david)
VIT vs TLN - correct - (sayf)
BLG vs KRU - incorrect - (don't know the player, sorry blg fans)
SEN vs FPX - correct - (Tenz)
EDG vs G2 - correct - (trent)
LEV vs TE - correct????? - (kai)
FNC vs DRX - correct - (foxy9)
TH vs GENG - correct - (benjyfishy)
EDG vs FUT - correct - (kangkang)
G2 vs PRX - incorrect - (forsaken)
VIT vs TE - correct - (luok1ng)
LEV vs TLN - correct - (aspas)
FNC vs BLG - correct - (Boaster)
DRX vs KRU - incorrect - (Melser)
GENG vs SEN - incorrect - (Tenz)
TH vs FPX - incorrect - (Berlin)
In conclusion, there were only 5 wrong predictions, and most of them were towards the start of the matches, surprised they predicted trace to beat lev and vit, and sen to beat geng.
If I made any mistakes lmk and I'll fix it
Discord