TV Ace of the Diamond Ace of the Diamond 7.9/10 by 73 users Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Details Casts Posters Images Title Ace of the Diamond Alternative Titles Daiya no A, ダイヤのA actⅡ, Dia no Ace, Ace of Diamond, ダイヤのエース, 다이아몬드 A, 다이아몬드에이스, 다이아몬드A, 다이아 몬드 에이스, Величайший бейсболист, 鑽石王牌 act2 第二季, Diamond no Ace, Diamond's Ace, Ace of Diamond Act II, Ace of the Diamond Act II First Air Date 2013-10-06 Last Air Date 2026-06-07 Number of Episodes 190 Number of Seasons 4 Genres Animation, Networks TV Tokyo, TV Aichi, TVQ, TV Osaka, TVh, TSC, Casts Ryota Osaka, Takahiro Sakurai, Nobunaga Shimazaki, Natsuki Hanae, Shintaro Asanuma Plot Keywords , Eijun Sawamura (voice) Ryota Osaka Kazuya Miyuki (voice) Takahiro Sakurai Satoru Furuya (voice) Nobunaga Shimazaki Haruichi Kominato (voice) Natsuki Hanae Yoichi Kuramochi (voice) Shintaro Asanuma