全戦 ぜんせん全勝 ぜんしょうじゃなかったです
zensenzenshōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 全戦全勝

1. Wasn't undefeated.; Didn't win all battles.

Past/Perfective
Negative
Polite
Casual Register