ONE PIECE Episode 19: The Three-Sword Style`s Past! Zoro and Kuina`s Vow!
Episode 19 of 1180 of ONE PIECE, aired March 22, 2000, 25 minutes. Available with English subtitles and dub where released.
Episode summary
In the past, young Zoro sparred constantly with a girl named Kuina, but he could never claim victory. They vowed that one of them would someday be the world's greatest swordsman - but tragedy intervened.