Season Episode 23 - Diamond No Ace: Second

In a moment of over-eagerness, Miyuki calls for the new changeup with two outs and no runners on base. Sawamura fails to execute it properly, leading to an embarrassing walk of the third batter.

Sawamura starts the game strong, striking out Ouya's first two batters with relative ease.

In the 23rd episode of , titled " Winging It " (aired September 7, 2015), the focus shifts to Sawamura Eijun's technical evolution and his growing importance within the Seidou High battery. The Emergence of the "Changeup" Diamond no Ace: Second Season Episode 23

Ouya High capitalizes on the opening. Their fourth batter successfully bunts, and a subsequent bad throw from Kanemaru puts Ouya in a dangerous scoring position with runners on first and third. Character Dynamics and The "Ace" Title

The episode features the start of the match against Ouya High, where the new techniques are put to a high-stakes test: In a moment of over-eagerness, Miyuki calls for

Fans can watch the series on Crunchyroll and Apple TV , where the episode is listed under its original Japanese air date or season categorization.

Beyond the diamond, the episode reinforces the core rivalry and relationship between the pitchers. While Sawamura focuses on his technical cleanup, the team continues to rely on Furuya Satoru as the primary "ace" for the upcoming summer tournament, a reality that deeply motivates Sawamura to prove the worth of his evolving pitches. Miyuki reflects on this growth, acknowledging that Sawamura's field presence is beginning to befit someone wearing the Ace number. In the 23rd episode of , titled "

Following advice from Coach Ochiai, Sawamura begins developing a unique changeup that catches the attention of Miyuki, Nabe, and his teammates. This new weapon is a significant milestone for Sawamura, who has long struggled to move past his "yips" and diversify his pitching repertoire. Fans on Reddit noted that this development marks a shift in his growth, moving from a pitcher relying solely on raw spirit to one mastering precision and deception.