Where does the data for BLUE vs WU 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 BLUE vs WU?

BLUE vs WU is listed as BO3 at North American Challengers League.

League of LegendsResults

Source: PandaScore · Updated: Aug 6, 05:48 AM UTC

Blue Otter0123456789

#1Blue Otter36 min

#2Winthrop University34 min

#3Winthrop University34 min