セパ交こう流りゅう戦せん

noun

interleague game between the Central and Pacific baseball leagues

Refers specifically to the regular-season interleague series in Nippon Professional Baseball (NPB) where teams from the Central League (セ・リーグ) and Pacific League (パ・リーグ) play each other.

See also: セ · パ

• 今年ことしのセパ交こう流りゅう戦せんは6月がつに始はじまる。

  This year's interleague games between the Central and Pacific Leagues start in June.

• セパ交こう流りゅう戦せんで、地じ元もとチームがパ・リーグの強きょう豪ごうと対たい戦せんする。

  In the interleague series, the local team will face a powerhouse from the Pacific League.