noun
debut match; debut fight; debut race
Used in sports, martial arts, and competitive contexts for a person's or team's first official match, bout, or race.
彼はデビュー戦でいきなり勝利を収めた。
He won his debut match right away.
新人ボクサーのデビュー戦が来週に決まった。
The rookie boxer's debut fight has been set for next week.