投手とうしゅせん
tōshusen

Noun

1. pitching duel; pitchers' battle

かい以降いこう、相手あいてチームの投手とうしゅなおって、投手とうしゅせんとなった。
nikai ikō aitechiimuno tōshumo tachinaotte tōshusento natta.
After the second innings, the opposing pitcher recovered too, and it turned into a pitching duel.