The episode features the start of the match against Ouya High, where the new techniques are put to a high-stakes test:
Sawamura starts the game strong, striking out Ouya's first two batters with relative ease. 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