#fieldball

English Translation / Fieldball Project

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1. Court Dimensions

A Fieldball court is a rectangular indoor field measuring:

• 40 meters (length / sideline)

• 20 meters (width / goal line)

The surface is typically indoor flooring such as wooden gym flooring or sports vinyl (Taraflex).

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2. Main Boundary Lines

The court is defined by the following lines:

• Sidelines (40 m)

The long edges of the court.

• Goal Lines (20 m)

The short edges of the court.

Each team defends one goal line.

• Center Line

A straight line dividing the court into two halves.

It passes directly through the Center Circle.

• End Lines

Lines drawn 10 m inside each Goal Line, parallel to them.

These form the boundaries between the Goal End and the Central End.

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3. Court Zones

The court is divided into four zones (from one end to the other):

1. Goal End (Defensive end)

2. Central End

3. Central End

4. Goal End (Opponent’s end)

Each “End” spans 10 meters, divided by the End Lines.

• Goal End

The zone closest to each goal.

• Central End

The two middle zones where most passing and tactical play occur.

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4. Center Circle

• A circular area centered on the Center Line.

• Divided into two semicircles by the Center Line.

• Certain plays, such as Advantage Play captures, depend on whether both feet are inside this circle.

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5. Goal & Goal Area

• Goal Dimensions

• Width: 3 meters

• Height: 2 meters

• Goal Area

• A semi-circular area in front of each goal.

• Only the Goalkeeper may enter this zone.

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6. AP Area (Advantage Play Area)

One of the unique features of Fieldball.

• A rectangular lane extending from the outer edge of the Goal Area to the End Line.

• Width matches the goal width (3 m).

• The AP Player must dribble inside this lane during an Advantage Play attempt.

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Summary

A Fieldball court combines elements of handball-style dimensions with unique tactical zones such as:

• The Central End (for inducing passes)

• The AP Area (for Advantage Play dribbles)

• A clear zone layout that shapes both offense and defense

0. About Fieldball

0.1 What is Fieldball?

Fieldball is a newly-created indoor team sport originating from Japan in 2025. It was designed with three core principles:

Defense deserves to be the star.

Diversity must translate into competitive strength.

Every player should have a clear, meaningful way to contribute.

The sport blends familiar elements from handball (movement, throwing), baseball (glove work, catching, overhand release), and tennis (special plays featuring racket-based shots). The result is a fast, tactical, inclusive game where many different types of athletes can excel.

0.2 Why Fieldball Was Created

Fieldball was developed to solve a long-standing issue found in many ball sports:

Great defenders are respected, but they rarely become the ones who score.

In most sports, defensive specialists influence the game indirectly. Fieldball changes that dynamic completely. With the “Advantage Play” system, a defender who reads the game well and intercepts passes can single-handedly create a scoring opportunity for themselves.

At the same time, the sport was designed to allow mixed-gender participation, welcome players with disabilities, and provide fair, strategic bonus systems so that natural differences do not become disadvantages.

0.3 A Sport Built Around Inclusivity

Fieldball’s rules intentionally integrate diversity into gameplay:

Teams must be gender-mixed by default

Players with certified disabilities can participate safely

Bonus points reward women and players with disabilities when they score

Both types of bonuses stack, meaning a woman with a disability gains +2 on any scoring play

This makes Fieldball one of the few sports where differences become tactical options rather than limitations.

0.4 A Game Where Upsets Are Always Possible

Fieldball encourages strategic thinking and situational reading. Even if a team struggles in conventional offense, they can trigger Advantage Play by intercepting passes near the center circle.

Through AP or Penalty Serve, lower-ranked teams still have a clear path to victory, regardless of athletic disparities.

0.5 Accessible for Newcomers, Deep for Veterans

Because Fieldball incorporates elements from familiar sports, new players often find it easy to learn. Meanwhile, the subtleties of positioning, timing, and reading opponents make the game strategically rich even for experienced athletes.

Fieldball is designed so that your past sports experience—whether handball, baseball, or tennis—can directly enhance your performance.

0.6 Summary

Fieldball is an inclusive, strategic, fast-paced team sport where defense can score, diversity becomes strength, and every player has a role.

Fieldball is a newly-created Japanese indoor team sport designed with one clear idea:

“Defense deserves to be the star.”

It combines familiar elements from handball, baseball (glove work, throwing, catching), and tennis (special plays using rackets).

The result is a fast, strategic game where many kinds of athletes can shine.

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Why Fieldball was created

1. Defensive specialists become game-changers

In many sports, great defenders are respected—but rarely the ones who score.

Fieldball changes that.

If a player intercepts three passes in the center circle,

they trigger Advantage Play, gaining a direct 1-on-1 scoring chance.

Your defense literally becomes your offense.

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2. Mixed-gender teams are the default

Each team must include players of different genders in both the roster and the active lineup.

This is not a special rule—it’s part of the sport’s identity.

When a woman scores, her goal earns +1 bonus point.

This bonus turns natural physical differences into tactical value, not disadvantage.

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3. Players with disabilities can actively contribute

Fieldball strongly supports inclusivity.

Players with hearing, upper-limb, internal, or developmental disabilities

(who have an official diagnosis and are considered persons with disabilities)

can join mixed teams as regular athletes.

Their goals also earn +1 bonus point,

allowing differences not to be barriers, but strategic strengths.

This is extremely rare in team sports—and one of Fieldball’s core innovations.

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4. Upsets are always possible

Even if a team struggles to score in open play,

smart reading and intercepts near the center circle can trigger Advantage Play

and lead to 2 or even 3 points at once.

Lower-ranked or less athletic teams still have a clear win condition,

as long as they can read the game.

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5. Existing skills carry over

Fieldball isn’t totally unfamiliar.

If you’ve played:

• handball（movement・throwing form）

• baseball（glove work・catching・overhand throws）

• tennis（serve motion・racket control in special plays）

…your past experience becomes a weapon.

This makes the sport far more approachable for newcomers.

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🌱 Fieldball is a new kind of inclusive, strategic team sport.

A sport where every type of player has a role—

and defense can truly decide the match.

More detailed rules, diagrams, and tutorials are coming soon.

(Pinned Post / 2025 Update)

Hi, I’m Cyberspace — a Hardstyle / Rawstyle producer and also the creator of Fieldball, a new indoor ball sport I’m designing from scratch.

This Tumblr started as a portfolio for my music, visuals, and production notes.

But from 2025 onward, I’ll also share updates on Fieldball:

rule design, diagrams, ideas, development logs, and concept writing.

My work now moves on two parallel tracks:

🎧 Music (Hardstyle / Rawstyle / EDM)

• Producer for Meteoroid

• Vocal mixing / MV visuals

• Vtuber / creator collaborations

• Hardstyle & Rawstyle original tracks

• Production breakdowns & concept posts

🏐 Fieldball (New Indoor Sport)

• 40 × 20m indoor court

• Throw-and-catch gameplay using a fielding glove

• Two special plays using a racket: AP & PS

• Designed for diversity, accessibility, and tactical depth

• Development logs, diagrams & explanations will be posted here

I see both music and Fieldball as creative design projects —

building worlds, rules, visuals, and experiences from scratch.

If you enjoy hybrid creativity, welcome aboard.

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ようこそ — 音楽 × 新スポーツ開発の創作ログへ

（ピン留め投稿 / 2025年版）

Hardstyle / Rawstyleの音楽制作と並行して、

自作球技「フィールドボール」 の開発を進めています。

このTumblrはもともと 音楽・アートのポートフォリオ として使っていましたが、

2025年からはフィールドボールの

図解・ルール設計・アイデア・開発ログ もまとめていきます。

活動の軸は以下の2つ：

🎧 音楽（Hardstyle / Rawstyle）

• Meteoroidのプロデュース

• ボーカルミックス・MV素材制作

• Vtuberとのコラボ

• オリジナル楽曲の制作

• 制作ノートや裏話の投稿

🏐 フィールドボール（自作スポーツ）

• 40×20mの室内コート

• グラブでのキャッチ＆スローが主体

• ラケットを使う特殊プレー（AP/PS）

• 誰でも活躍できる多様性と戦術性

• 図解や解説を随時投稿予定

「ゼロから何かを作る」という意味で、

音楽もフィールドボールも自分にとっては同じ“創作”です。

音楽とスポーツ開発、両面での活動をここで発信していきます。

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🔗 Links / リンク

Official Fieldball Website: https://playfieldball.wordpress.com/

Misskey (Main Updates): https://misskey.gg/@fieldball_project

I’m currently developing Fieldball, a new indoor ball sport that mixes ideas from handball, basketball, baseball, and tennis.

Fast-paced, tactical, and designed so that anyone—men, women, and players with disabilities—can play meaningfully.

Two special plays define the game:

Advantage Play (AP)

A defender who intercepts 3 passes earns a 1-on-1 scoring chance with a racket.

Worth 2 points (3 points for women/disabled players).

Penalty Serve (PS)

A tennis-like serve taken from the center circle after a defensive foul.

A direct goal = 1 point; a clean GK catch = turnover.

I usually use Tumblr for my music portfolio,

but I’ll also share updates on Fieldball as a creative project—

rules, ideas, and development notes.

If you’re into new concepts or indie sports design, welcome.

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フィールドボール — 自作スポーツの開発ログ

ハンドボール、バスケ、野球、テニスの要素を組み合わせて作っている

新しい室内球技「フィールドボール」 の開発を進めています。

特徴となる特殊プレーは2つ：

アドバンテージプレー（AP）

中央付近でパスカット3回 → ラケットを使った1対1の攻撃へ。

通常2点、女性・障碍者選手は3点。

ペナルティサーブ（PS）

自陣で相手が反則→センターサークル内からラケットでサーブ。

ゴールで1点、GK捕球でターンオーバー。

普段は音楽（Hardstyle/Rawstyle）用のTumblrですが、

ここに スポーツ開発の進捗 もまとめていきます。

新しい概念や創作スポーツが好きな方、ぜひ。

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🌐 Links

Official site: https://playfieldball.wordpress.com/