ダイヤのA（Ace of Diamond）【8】

合宿最終日の練習試合。エースとして覚醒しつつあった丹波を魔の一球が襲う！！　丹波が戦線離脱を余儀なくされ、チームに走る動揺。緊急事態で１年の沢村の双肩にも重圧がかかり‥‥。青道、エース不在の危機。それでも夏は待ってくれない！　この苦難をチーム一丸となって乗り切ることができるのか！？　いよいよ、甲子園予選開幕！！

Practice match on the last day of training camp. A demonic ball hits the Tamba who was awaking as an ace! It is! Tanba is forced to leave the battlefield, and it is upset to run to the team. In emergency situation pressure on the shoulder of Sawamura of 1 year is also applied. Aoi, a crisis absent from the ace. Still we can not wait for the summer! Can we overcome this hardship together! Is it? Finally, Koshien preliminary contest opening! It is!