Where does the data for RE vs GL come from?

From PandaScore Dota 2 match records, refreshed about every five minutes. The page shows when it was last updated.

What format is RE vs GL?

RE vs GL is listed as BO2 at Esports World Cup.

Dota 2Results

Source: PandaScore · Updated: Jul 10, 01:34 PM UTC

Rune Eaters0123456789

GamerLegion0123456789

#1GamerLegion51 min

#2Rune Eaters68 min