必勝 ひっしょう不敗 ふはいではありませんでした
hisshōfuhaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 必勝不敗

1. Was not certain victory, never defeat.; Was not guaranteed success, without failure.

Past/Perfective
Negative
Polite
Formal Register