What does it mean by Over and Under?

Over and Under, including extra time, indicate the relationship between the total goals and preset goals

Basically, basketball, football and basketball use this way to determine winning and losing.

There are 2 potions in each game.

Over means the goals of Home and Away are larger than the preset goals. 

Under means the goals of Home and Away are lower than the preset goals. 

For example, Team A and Team B’s preset goals are 180.5. 

The total goals of Home team and Away team are over 180.5. 

The total goals of Home team and Away team are under 180.5.