In the 19th episode of Diamond no Ace: Second Season , titled "An Uncompromising Challenge," Seidou High clinches a thrilling victory over Ugumori High to advance to the quarterfinals. The episode also highlights key advancements from rivals Ichidaisan and Yakushi, while setting up future drama with an injury to ace Furuya Satoru. You can watch this episode on Apple TV and read more details on the Diamond no Ace Wiki .