さん ぽん勝負 しょうぶではありませんでした
sampon shōbudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 三本勝負

1. It was not a best-of-three match.; It wasn't a best-of-three.

Past/Perfective
Negative
Polite
Formal Register