一回勝負

いっかいしょうぶ

noun

•

contest decided by a single round (bout), contest decided by a single roll of dice, one-shot game (contest), make-or-break game(yojijukugo)

一	one, one radical (no.1)
回	-times, round, game, revolve, counter for occurrences
勝	victory, win, prevail, excel
負	defeat, negative, -, minus, bear, owe, assume a responsibility