Dictionary / Vocabulary / 番狂わせ
ばんくるわせ
unexpected result; upset; surprise
初日から番狂わせが多かった。
There were many upsets right from the first day.
試合はB校の勝利に終わったが、まったく番狂わせだった。
The game ended in a victory for B school, which was quite contrary to predictions.