首位 しゅい攻防 こうぼう せんでしょう
shu ikō bōsendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 首位攻防戦

1. Likely a first offensive/defensive battle.; Probably the first clash.

Polite
Presumptive
Conjecture
Sports