試合に負ける

lose a match

→ 試合
phrase Rare #22,353
lose a match Used for losing a sports match, game, or other competition. The particle に marks the match that is lost.
JA: 私はその試合に負けると思う。
EN: I think I will lose that match.

みんな上手にやらなければ試合に負けるかもしれない

If everyone doesn’t play well, we might lose the game.

私はその試合に負けると思う

I think we'll lose that match.