expression, godan verb (-ru)
hold the key to victory or defeat; have the outcome in one's hands
Idiomatic phrase used when a particular factor, person, or action will determine who wins or loses. Often used in sports, games, or competitive contexts.
この試合の勝敗の鍵を握るのは、エースピッチャーの調子だ。
The ace pitcher's condition holds the key to victory or defeat in this game.
最終
The final question ended up deciding the outcome.