Masamune fled without looking back because Doji ITSUKI first attacked to slash Masamune and split up Masamune's jinbaori (sleeveless campaign jacket worn over armor) of yellowish crimson in the battle.
この乱戦の中で齋野道二が真っ先かけて政宗に切り掛かり、政宗の猩々緋の陣羽織を切り裂いたため、政宗は跡を見ずに逃げ去っていった。