Battle Against the Eternal Rival Episode 23

It`s the final day of the sumo season. Matsutaro and Kondo are both undefeated. The time has finally come for them to clash; the Makushita championship is at stake. The winner will be promoted to the professional level of Juryo. His mother, siblings, and Shimada-sensei are in the audience. And what do you know, Reiko is there, too! But where is Matsutaro?