Ace of Diamond

One Pitch, One Second (3x23)

Air date: Sep 03, 2019

A strong school that has entered the Golden Week holidays in May and is holding practice games for the summer tournament all over the country. In Osaka, Osaka Kiryu vs. Hokkaido Koma Ofujimaki. Inami vs. Seiho High School in Aichi. In Kumamoto, Yoshinaga and Shogakukan in Tokushima. In Miyagi, Yamanashi's Yamamori vs. Ikuei. And in Saitama, Seido and Yamaga face off. A strong team that competes with each other. And finally Sawamura goes to the mound of the Senbatsu Best 4 strong Gunma Hakuryu High School game.