Where does the data for LOS vs LEV come from?

From PandaScore League of Legends match records, refreshed about every five minutes. The page shows when it was last updated.

What format is LOS vs LEV?

LOS vs LEV is listed as BO3 at CBLOL.

League of LegendsRezultati

Vir: PandaScore · Posodobljeno: 8. avg., 20:07 UTC

LOS0123456789

Leviatan Esports0123456789

#1LOS34 min

#2LOS22 min