also: ぜんぱんせん
first half of a game; first half of a match
Used in sports and competitions to refer to the initial period before halftime or the midpoint.
前半戦は両チームとも無得点だった。
Both teams were scoreless in the first half.
前半戦の終了間際にゴールが決まった。
A goal was scored just before the end of the first half.
The first half ended with a score of 1-0.
They scored two points in the first half to take the lead.
They dominated the first half with a powerful offense.