noun
win by judges' decision (judo)
Used in judo when a match is decided by the judges based on superiority, not by ippon or waza-ari.
決勝戦は優勢勝ちで決まった。
The final match was decided by a judges' decision.
判定勝ち is a more general term for winning by decision in combat sports, while 優勢勝ち is specific to judo and implies a win based on superiority.
Compound of 優勢 (superiority) and 勝ち (win).