noun
straight-sets loss; straight-set defeat
Used in sports such as tennis or volleyball when a player or team loses without winning a single set.
彼は全豪オープンでストレート負けを喫した。
He suffered a straight-sets loss at the Australian Open.
Compound of ストレート (sutorēto, 'straight') from English 'straight' and 負け (make, 'loss, defeat'), the noun form of 負ける (makeru, 'to lose').