Ace of Diamond and the Dirt of Koshien: Why Japan's Losing Teams Scoop Soil Into Their Bags

Spoiler-Free Cultural Analysis

This article uses baseball manga and anime such as Ace of Diamond only as a doorway into a real Japanese ritual and its documented history. No plot developments or outcomes from any series are revealed.

Key Takeaways

• The image of defeated high school players kneeling to scoop dirt into small bags is one of the most recognisable pictures of the Japanese summer, and almost nobody organised it — it was started by players themselves and never became an official ceremony.
• The soil is not ordinary ground. 甲子園 (Kōshien) infield dirt is a deliberate blend of black earth and sand, adjusted by groundskeepers according to season and weather.
• Japan has an unusual cultural habit of ritualising the moment of losing rather than only the moment of winning, and this custom is the clearest example I know of.

Key Terms Explained

• 甲子園 (Kōshien) / Kōshien Stadium — The stadium in Hyōgo Prefecture that hosts the national high school baseball championship each August, and by extension the tournament itself.
• 高校野球 (Kōkō Yakyū) / High School Baseball — Japan's school baseball culture, whose summer national tournament draws television audiences that professional games rarely match.
• 甲子園の土 (Kōshien no Tsuchi) / The Dirt of Kōshien — The infield soil that eliminated players traditionally carry home as a keepsake.
• 一球入魂 (Ikkyū Nyūkon) / Pouring the Soul Into Every Pitch — A phrase long associated with Japanese school baseball, expressing total commitment to a single ball.
• 球児 (Kyūji) / Baseball Boys — The affectionate standard term for high school baseball players in Japanese media, literally "ball children."

The August My Grandfather Would Not Change the Channel

I am a third-generation 江戸っ子 (Edokko: a true native of old Tokyo), from a family with no particular talent for or interest in baseball. This did not matter in August.

For roughly two weeks every summer, the television in my grandparents' house was not available for negotiation. It showed 高校野球 (Kōkō Yakyū: high school baseball), all day, from a stadium far away in the west, and it showed it with a specific kind of attention that I did not understand at all as a child. Nobody in the room supported either team. My grandfather could not have named a single player. He watched anyway, in the heat, with the cicadas going outside and a fan pushing warm air around the room.

What I remember most is not the games. It is what happened at the end of the ones where somebody lost.

The camera would find a boy on his knees in the dirt near the dugout, crying in a way that adults are not usually permitted to cry on television, scraping soil into a small drawstring bag with his hands. Then another boy. Then the whole team, spread across the infield edge, silently filling bags with dirt.

I asked what they were doing. I was told they were taking the ground home.

That answer bothered me for years, in the way certain childhood answers do, because it explained the action perfectly and the meaning not at all. Why would you want the dirt from the place where you lost? If I lost, I wanted to leave. It took me a long time — and a lot of distance from that room — to understand that this was precisely the point.

The Ritual Nobody Instituted

Here is the detail that changes how you see the whole thing: this is not an official ceremony.

Taking home 甲子園の土 (Kōshien no Tsuchi: the dirt of Kōshien) is not written into tournament rules. No official hands out the bags. No announcer instructs the players. It is a custom that eliminated teams initiated themselves and then handed down, year after year, to teams they would never meet.

Where It Seems to Have Started

The origins are genuinely disputed, which I find fitting for something nobody planned.

One account credits 川上哲治 (Kawakami Tetsuharu), later one of the towering figures of Japanese professional baseball, who is said to have scooped infield soil into a bag after losing the final of the 1937 summer tournament and scattered it on his own school's ground. Kawakami himself later denied the story, which is either a disappointment or a very Japanese detail, depending on your temperament.

The more commonly told origin points to 1949, and to a player from a high school in Fukuoka Prefecture — Kokura — who reportedly carried soil home in his pockets after his team's bid for a third straight summer championship ended. From there the practice spread, and the image of eliminated players filling bags with dirt became one of the fixed pictures of the Japanese summer.

What strikes me about both stories is that neither involves an institution. A boy did something with his hands, other boys saw it, and seventy-odd years later a nation expects it.

The Soil Itself Is Engineered

I assumed for most of my life that the dirt was simply the ground. It is not.

Kōshien's infield soil is a deliberate mixture — black earth combined with sand — and the ratio is adjusted by the groundskeeping company according to season and weather conditions. The colour that reads so strongly on television, the surface that produces those particular dust clouds, is a maintained material, tuned across a century of use.

This does something strange and rather beautiful to the ritual. The boys are not carrying home a piece of nature. They are carrying home a piece of a made thing — a surface that exists only because generations of people kept adjusting it so that the game would play correctly on it. The keepsake is not soil. It is craftsmanship, in a bag.

Why Baseball Manga Cannot Leave It Alone

Anyone who has read or watched Japanese baseball stories — Ace of Diamond, Ookiku Furikabutte, the long shadow of Adachi Mitsuru's work — knows that 甲子園 functions less as a stadium than as a destination in the moral sense. Characters do not simply want to win games. They want to reach a specific patch of ground.

That framing is not an invention of the manga. It is a fairly accurate description of how the tournament sits in Japanese life. And it is why the dirt matters narratively as well as culturally: if the stadium is the destination, then soil from it is proof of arrival — available, importantly, even to those who arrived and then lost.

What the Bag Is Actually For

Living outside Japan for as long as I have, I have watched a lot of youth sport in other countries, and I have noticed an absence rather than a difference.

Elsewhere, the losing team's ritual is largely negative. You shake hands, you are told you played well, and then the moment is closed as quickly as possible so that everyone can begin recovering from it. Losing is treated as something to be processed and discarded. There is rarely an object.

The bag of dirt is an object. That is its whole function.

It converts a defeat from an event into a possession — something with weight that sits on a shelf in a bedroom in a small town for the next forty years. And what I understand now, which I could not understand at eight years old in front of my grandfather's television, is that the boy filling that bag is not memorialising the loss. He is memorialising having been there at all. The dirt does not say "I failed here." It says "I stood on this ground."

There is a very Japanese idea underneath this: that the honourable outcome is not restricted to victory, and that showing up completely, and losing completely, in front of everyone, is itself a thing worth keeping physical evidence of.

I have come to think this is one of the healthier ideas my culture produces, and one of the least exported. Most societies know how to celebrate winners. Japan built, without meaning to and without anyone organising it, a two-week national broadcast in which the most memorable images are of teenagers on their knees collecting the ground.

FAQ

Q: Do all losing teams at Kōshien take the dirt? A: It is very widely practised but it is a custom rather than a requirement, so it varies by team and by circumstance. Because nobody instituted it, nobody enforces it either — which is part of what makes it worth noticing.

Q: What do the players actually do with the soil? A: It varies. Many keep it as a personal memento; some schools scatter it on their own home ground, echoing the earliest account of the practice. There is no prescribed use, because there is no prescribing authority.

Q: Is high school baseball really more popular than the professional game in Japan? A: Not more popular overall, but the summer tournament reaches an audience and an emotional register that regular professional games generally do not. For two weeks it functions less as a sports event than as a seasonal fixture, in roughly the way certain holidays do.

Key Insights to Remember

• The most durable rituals are often the ones nobody designed. No committee created the dirt-scooping custom, no rule protects it, and its origin story is contested — and yet it has outlasted enormous institutional change in Japanese sport. Cultural practices maintained purely by imitation can be tougher than the ones written down.

• The keepsake is a manufactured surface, not a natural one, and knowing that improves rather than spoils it. What the players carry away is the accumulated work of groundskeepers who spent a century adjusting a mixture so the game would behave properly. It is one of the few souvenirs I can think of that is, unintentionally, a tribute to maintenance.

• Ritualising defeat is a genuine cultural choice, and a rarer one than ritualising victory. By giving losing an object, Japanese high school baseball quietly asserts that full participation is worth commemorating independently of outcome — an idea that travels far beyond sport, and that I did not appreciate until I had spent many years somewhere it is not assumed.

Sources

• A Century at Kōshien: Japan's Iconic Stadium Still Going Strong — Nippon.com
• Why Koshien Stadium Is Sacred Ground — 100 Years of the Hanshin Tigers' Home — NPB Chronicle
• Sweat, tears … and dirt — Number 1 Shimbun, FCCJ
• Koshien: Japan's Iconic Summer Sports Stage — School Sport News