noun, noun or participle which takes 'suru'
winning by an ippon; winning by a point
Used in martial arts such as judo, kendo, and karate to describe a victory achieved by scoring a full point (ippon).
彼は決勝戦で一本勝ちを収めた。
He won the final match by ippon.
残り
He won by ippon with little time remaining.