TV Ace of the Diamond - Season 1 Episode 1 : The One Pitch Ace of the Diamond - Season 1 Episode 1 : The One Pitch 7.9/10 by 73 users Game set. Eijun Sawamura, the pitcher of a novice junior high baseball team, meets with a bitter walk-off loss. For Sawamura, that became his last game in junior high, so he sets a new goal of going to the nationals in high school with his teammates. As he begins his hard quest on studying, a guest arrives unannounced. Her name is Rei Takashima, and she is the assistant director of the prestigious Seidou High School Baseball Team. Takashima invites Sawamura to Seidou after seeing his potential, but Sawamura's reply was far from what she had expected. Details Casts Posters Images Title Ace of the Diamond - Season 1 Episode 1 : The One Pitch Alternative Titles Daiya no A, ダイヤのA actⅡ, Dia no Ace, Ace of Diamond, ダイヤのエース, 다이아몬드에이스, 다이아 몬드 에이스, 다이아몬드A, 다이아몬드 A, Величайший бейсболист, 鑽石王牌 act2 第二季, Diamond's Ace, Diamond no 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 Episodes List Ace of the Diamond Season 1 :Episode 1 The One Pitch The One Pitch 2013-10-06 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 2 Partner Partner 2013-10-13 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 3 Not Qualified to Be a Pitcher? Not Qualified to Be a Pitcher? 2013-10-20 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 4 Are You Like Me? Are You Like Me? 2013-10-27 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 5 A Clash A Clash 2013-11-03 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 6 Head to Head Head to Head 2013-11-10 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 7 The Two Batteries The Two Batteries 2013-11-17 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 8 The Truth About Chris The Truth About Chris 2013-11-24 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 9 With Chagrin in His Heart With Chagrin in His Heart 2013-12-01 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 10 Hone Your Moving Fastball Hone Your Moving Fastball 2013-12-08 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 11 Chris to the Field! Chris to the Field! 2013-12-15 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 12 Target Target 2013-12-22 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 13 You're in the First-String You're in the First-String 2013-12-29 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 14 Training Camp Begins! Training Camp Begins! 2014-01-12 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 15 Lead with Your Plays! Lead with Your Plays! 2014-01-19 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 16 Challenge Challenge 2014-01-26 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 17 Games Are Fun Games Are Fun 2014-02-02 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 18 I Hate It, But... I Hate It, But... 2014-02-09 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 19 Fate Fate 2014-02-16 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 20 Emergency Emergency 2014-02-23 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 21 To the Dream Stage To the Dream Stage 2014-03-02 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 22 Calling for Attention Calling for Attention 2014-03-09 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 23 Official Game Debut Official Game Debut 2014-03-16 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 24 Precision Machine Precision Machine 2014-03-23 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 25 Anti-Furuya Strategy Anti-Furuya Strategy 2014-03-30 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 26 Miracle Akikawa Miracle Akikawa 2014-04-06 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 27 I'm Not Running I'm Not Running 2014-04-13 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 28 Path, Eijun Sawamura to the Scorching Mound Path, Eijun Sawamura to the Scorching Mound 2014-04-20 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 29 Neck and Neck Neck and Neck 2014-04-27 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 30 Winner and Loser Winner and Loser 2014-05-04 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 31 Dark Horse Dark Horse 2014-05-11 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 32 Summers Summers 2014-05-18 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 33 Money Tree Money Tree 2014-05-25 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 34 Reliable Teammates Reliable Teammates 2014-06-01 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 35 Potential Potential 2014-06-08 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 36 The Ace Takes the Mound The Ace Takes the Mound 2014-06-15 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 37 Burst! Burst! 2014-06-29 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 38 Roles Roles 2014-07-05 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 39 Expectations of an Ace Expectations of an Ace 2014-07-13 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 40 The Winning Shot The Winning Shot 2014-07-20 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 41 It's the Semifinal It's the Semifinal 2014-07-27 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 42 The Giant Looks Down The Giant Looks Down 2014-08-03 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 43 Revenge Revenge 2014-08-10 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 44 Best Pitch Best Pitch 2014-08-17 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 45 Fantasy Fantasy 2014-08-24 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 46 Pitching of Despair Pitching of Despair 2014-08-31 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 47 That Summer That Summer 2014-09-07 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 48 At the Dorm At the Dorm 2014-09-14 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 49 A Nostalgic Face A Nostalgic Face 2014-09-21 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 50 Footsteps to Tomorrow Footsteps to Tomorrow 2014-09-28 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 51 The Battle Begins! The Battle Begins! 2014-10-05 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 52 I Don't Want to Lose I Don't Want to Lose 2014-10-12 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 53 Change Gears Change Gears 2014-10-19 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 54 Entrusted Faith and the Courage to Perform Entrusted Faith and the Courage to Perform 2014-10-26 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 55 Strong Men Strong Men 2014-11-02 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 56 Decision Decision 2014-11-09 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 57 Reliable Underclassmen Reliable Underclassmen 2014-11-23 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 58 The Three-Hole The Three-Hole 2014-11-30 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 59 Fearless Fearless 2014-12-07 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 60 Lonely Sun Lonely Sun 2014-12-14 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 61 Determined Determined 2014-12-21 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 62 Victory or Defeat Victory or Defeat 2014-12-28 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 63 Lingering Feelings Lingering Feelings 2014-12-28 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 64 Restart Restart 2015-01-11 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 65 In The Sun In The Sun 2015-01-18 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 66 Outsider Outsider 2015-01-25 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 67 The Kick The Kick 2015-02-01 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 68 The Ace Title The Ace Title 2015-02-08 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 69 Can't Lose Can't Lose 2015-02-15 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 70 Next Stage Next Stage 2015-02-22 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 71 September Sky September Sky 2015-03-01 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 72 The Final Lesson The Final Lesson 2015-03-08 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 73 Inheritance Inheritance 2015-03-15 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 74 Guiding Light Guiding Light 2015-03-22 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team. Ace of the Diamond Season 1 :Episode 75 In Pursuit In Pursuit 2015-03-29 Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team.