Icebox - pick ZETA. Movistar pick attack

Map is haven, AYM pick, Falcons starting CT

Hello,

Is there any way how to see faster information about pro matches than info you can see on stream? I noticed that some people know it faster for example during this match:
https://www.vlr.gg/153013/heet-vs-cgn-esports-valorant-regional-league-france-revolution-coupe-de-france-playoffs-lr4

Thanks:)