Ace of Diamond Episode 23 English Subbed Episode Title:First Official Appearance.Episode Description:With a 15-0 lead in place, Seidou brings in Sawamura to pitch inning 4. The game ends up being called, and Seidou advances with ease. Seeing how high Furuya's ball was, Chris takes Sawamura aside and teaches him how to hold the ball and turn his pitch into a fine weapon no one will be expecting. Seidou then participates in their second game of the tournament against Puplic Murata East High School.