Where does the data for TBD vs TBD come from?

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

What format is TBD vs TBD?

TBD vs TBD is listed as BO3 at 1win Essence.

Dota 2Prihajajoče

Vir: PandaScore · Posodobljeno: 5. nov., 09:00 UTC

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