One Label, Six Competitive Logics: The Data Void in Vietnamese Combat Sports

At a gym in District 3, Ho Chi Minh City, on an afternoon in mid-November, I sat across from a young coach and asked what I thought was the simplest question in this trade: how many professional bouts has this fighter had? He counted on his fingers and stopped at nine. The manager beside him shook his head: eleven. A third man, handling communications for the event, opened his phone, scrolled through three apps, and read out a different number: fourteen. None of them lied. None of them held an authoritative record either. Those three numbers do not conflict morally. They conflict systemically.

I left the gym with three sequences of digits on a sheet of paper and a question that could not be answered by looking anything up. For someone who works in sporting adjudication, that is the worst kind of long night: not the night of a wrong verdict, but the night of a verdict that cannot exist. The first mistake is not meant to be forgotten; it is meant to be a calibration marker — and here, even the first marker does not exist.

Context: one word, six disciplines

Vietnamese martial arts today is a stack of layers. At the professional tier there is boxing, where Truong Dinh Hoang once held the WBA Asia super-middleweight belt, and Nguyen Thi Tam is a female face who has stood near the top of the regional order and competed at the Tokyo 2026 Olympics. There is Muay Thai, where Nguyen Tran Duy Nhat sets the achievement benchmark every young domestic fighter must be measured against. There is MMA, where LION Championship launched in 2026 and bills itself as Vietnam's first professional promotion. There is kickboxing, wrestling, judo, taekwondo, karate. Then, on an entirely different tier in nature, there is Vovinam — founded by Nguyen Loc in 2026 — and traditional Vietnamese martial arts, two systems whose value lies mostly in forms, routines and performance rather than in a win-loss ledger.

Those six groups, plus sanda and pencak silat during SEA Games cycles, are collapsed into one word: martial arts. In news bulletins, in award categories, in budget allocation, and in how newspaper sections are named, martial arts is a single label. I once thought this was purely an editorial matter. I was wrong. A single label carries a technical consequence: when everything is called one discipline, everything gets measured with one ruler.

The default ruler, in Vietnam as in most markets, is the ruler of professional combat sport: wins, losses, knockouts, finish rate. That is the correct instrument for MMA, boxing and Muay Thai. It is meaningless for a Vovinam form scored on difficulty and performance quality. There is no bridge between the two, and every attempt to build one produces false data.

I am a Japanese writer working in Vietnam, and this misalignment is what I see most clearly when the two systems are placed side by side. In Japan, an amateur high-school fighter already has a record; a professional fighter has a record kept by the federation, by the promoter, and by at least two independent databases. In Vietnam, people keep records with memory, with screenshots, and with belief.

Three tiers of logic squeezed into one scorecard

Properly classified, martial arts splits into three very different tiers of logic, each demanding its own set of instruments.

The first tier is professional combat, where the result is binary and final. MMA, boxing, Muay Thai, kickboxing, wrestling, judo, taekwondo, karate kumite, sanda and pencak silat all sit here, however much their rules of prohibition and permission differ. On this tier, data means: number of bouts, win rate, finish rate, times knocked down, average fight time, number of medical suspensions. And, most important for human life, weigh-in weight and post-cut weight.

The second tier is scored performance — forms, routines, poomsae, kata, taolu. On this tier the concept of a knockout does not exist. An athlete can become a world champion without winning a single bout in the combat sense. Measuring this tier by finish rate is a category error, like measuring a diver by the number of football fouls committed.

The third tier is hybrid — sanda, Vovinam combat, and partly pencak silat. Here there is contact, there is scoring, there are throws, there are elbows, but the finish threshold and the scoring method are entirely different from MMA. A sanda fighter wins more often by pushing an opponent off the platform than by knocking him out.

The confusion begins when all three tiers share one ranking table, one title of fighter, one budget line. At that point a journalist must choose a ruler, and the ruler chosen is almost always the first tier's, because it is the easiest to write. Wins and losses are easy to narrate. A technical score of 8.75 against 8.5 is not.

Here is where I want to be blunt: most analysis of Vietnamese martial arts is wrong from the classification step, before the data even has a chance to appear. A mistake at the classification step cannot be repaired, because every calculation that follows is meaningless.

The data infrastructure gap

In international boxing, there is BoxRec. In MMA, there are Sherdog and Tapology. These databases record every bout, every opponent, every result, every weight-class change. They are not perfect, but they exist, and they carry enough authority that a journalist can write 'according to BoxRec' instead of 'according to what I was told.'

Vietnamese fighters are usually absent from them, or present with incomplete records. I spent weeks cross-checking these databases against domestic fighter lists. The match rate was so low that I had to stop and ask myself where I was going wrong. I was not going wrong. There was nothing to match.

Data stays silent until someone asks the right question. The question I needed to ask was not how many bouts this fighter has won, but who has the authority to record this bout, and where the record is stored. In Vietnam the answer is usually: nobody, or a fan page.

In 2026 I made my first mistake on the martial arts beat. Covering a tournament in the south, I cited a fighter's record from an unofficial page because it was the only source with any numbers on it. Three weeks later his coach called me and said the correct figure was six, not thirteen. I had not cross-checked. From that day I built a separate data table for every fighter I write about, listing the source, the date of collection, and a confidence level. That table is no substitute for BoxRec, but it is a substitute for laziness.

The cost of this gap does not sit in the articles. It sits elsewhere. No weigh-in records means no filter for a dangerous weight cut. No medical records means a fighter knocked out twice in six weeks can still step into the ring a third time. No bout records means a promoter can match a man with three fights against a man with twenty and call it a learning opportunity.

When there are no records, achievement becomes self-declared. Thirteen wins appear on the poster, nine appear in the gym, and the truth sits somewhere between, with nobody obliged to clarify it. In a sport where every blow to the head accumulates, that is a dangerous way to play.

What Tokyo and Bangkok show

Japan is not paradise, and I have no intention of turning it into one. But there is one thing Japan did very early: it institutionalised record-keeping. Shooto emerged in the mid-1980s, Pancrase in 2026, K-1 also in 2026, Rizin in 2026. Each organisation publishes bout records, weigh-in procedures, and post-fight medical suspensions. Records there are not decoration for the media; they are part of the conditions of competition, like a protective cup.

Thailand took a different road, and it is equally worth studying. The Lumpinee and Rajadamnern stadium systems run an internal ranking, an inherited belt lineage, and an open betting market in the rao style — where odds are shouted aloud and shift continuously. That transparency has a very heavy dark side: children entering the ring far too young, financial pressure bearing down on fighters, and bouts under suspicion of fixing. But at least when a fighter steps into Rajadamnern, people know who he is by record.

Vietnam is positioned to take both lessons and both warnings. What is needed is not a copy of BoxRec. What is needed is three separate ledgers, corresponding to the three tiers of logic, and an authoritative body standing behind each ledger.

This is where I am often misunderstood. I do not demand data because I enjoy spreadsheets. I demand data because in this sport, data is a safety device. A complete weigh-in record can prevent a kidney injury case. A complete medical record can stop a young fighter entering the ring before recovering. Those things do not appear on a record table, but they are the reason a record table exists.

The empty arena

In 2026, when the pandemic halted competition, I realised something I only fully understood later: some sports can survive without spectators, but no sport survives without recorders.

At the time I worked for a media company that cut half its staff and thirty per cent of salaries. Management issued constantly shifting directives: first this listicle, then that prediction piece. I did not comply. I went back through the historical archive, built a comparison table between mid-season break length and return form, and wrote a long-form series. The proposal was rejected. I still saved the drafts and published them on a personal blog. Six months later an editor at a major outlet read them and offered me a collaboration.

The lesson I carried into the martial arts beat was about the order of work. When there is no data, the first task is not writing. The first task is determining which question deserves to be asked, and who has the right to answer it. An empty pitch still keeps its rules; people simply see more clearly when there is no noise.

For Vietnamese martial arts, that arena was never truly empty. It was always full of spectators. It is just that nobody was sitting at the desk.

Contrarian angle: what the gap is shielding

The common narrative runs: Vietnam lacks data, lacks professionalism, lacks systems. That is true, but it skips a more uncomfortable possibility: a hastily built data system can be worse than none at all.

When a sport is forced to manufacture numbers to serve headlines, it manufactures numbers to serve headlines. Records inflate. Rankings get bought. Fake databases appear and quickly acquire authority simply because they are cited often. In many markets, so-called martial arts data is really marketing data formatted as sporting data.

There is another point Western analysts routinely miss: some sports do not need a win-loss ledger to be serious. Vovinam has a belt system, a promotion examination, and published scoring criteria for both forms and combat. At the performance tier it does not need BoxRec. It needs a published criteria set and a judging panel that can be questioned. Demanding that Vovinam have a knockout rate is demanding something that does not exist.

I understand why spectators and fighters' families want numbers. They are not academically curious. They want to know whether their child is safe. That is why I do not treat this gap as a problem of the writing trade. It is a problem of safety.

Conclusion: three ledgers, and the first one

The right move is not to import a foreign database, but to build three separate ledgers corresponding to the three tiers of competitive logic — and to start with the least contested one: the weigh-in ledger and the medical ledger. That ledger needs no titles, no media, no audience. It needs a name, a date, and a signature.

My first mistake on the martial arts beat was citing a number I had not verified. I keep it as a marker, not to blame myself but to measure. If three years from now I still have to ask three people how many bouts a fighter has had, then the problem does not lie in the writing trade. It lies somewhere else.