The Data Gap in Vietnamese Martial Arts: Why a Record Sheet Cannot Tell a Fight

At 5:40 in the morning, the gym at the end of an alley on Nguyen Thien Thuat Street in Nha Trang switches on its fluorescent lights one tube at a time. A nineteen-year-old student stands in front of the mirror, wraps his hands, exhales audibly, then throws three punches into the air before touching the heavy bag. His coach sits on the doorstep, opens a spiral notebook with a worn spine, and writes three lines: date, weight, number of rounds. There is no fourth line. I asked to sit beside him for the whole session that morning. The notebook is fewer than a hundred pages, starting in 2026, listing more than forty fighters who have passed through the door. The last page carries a slanted line of handwriting: left wrist, three weeks off. No follow-up date, no doctor's name, no scan result. Those three weeks exist only inside a spiral notebook. This gym has produced three national youth champions. Their complete records, as of today, consist of one notebook, a stack of certificates, and the teacher's memory. If he stops coaching, the history of an entire generation of fighters disappears in a single afternoon. The truest heartbeat is never in the stands. It is under the feet of early morning sessions. But that heartbeat, if it is to be told to anyone else, needs something Vietnamese martial arts lacks systematically: a record. Speaking of Vietnamese martial arts means speaking of a wide range of disciplines. Boxing, muay, kickboxing, pencak silat, vovinam, taekwondo, judo, wrestling. Each has its own rules, its own scoring, its own medal arithmetic. Yet they share one strange trait: after every national championship, the only things published are the bracket and the medal table. A men's 60kg boxing final at a national championship is typically recorded in exactly four lines: the two fighters' names, their provinces, the judges' score, and occasionally a note about which round the knockout came in. Four lines are enough to hand out a medal. They are not enough to understand what happened across twelve minutes of fighting. Meanwhile, a second-division football match in Vietnam already produces kilometres run, sprint counts, positional heat maps, passing accuracy. We have built a data system for a sport with twenty-two people on the pitch, and left completely blank the sport with two. That sounds like a complaint. It is a technical description. Its consequences are concrete and measurable. The first missing layer is weight. At most domestic events, a fighter weighs in once, usually on the morning of competition or the previous afternoon. The result goes into a form, gets signed, and travels nowhere else. Nobody records a fighter's walking-around weight outside competition periods. Nobody records the rate of weight loss across the seven days before an event. I have sat in one of those weigh-in rooms. A fighter stepped onto the scale at 60.2. Six days earlier, according to his coach, he weighed 63.5. Three and a half kilos in six days, achieved by eating little and running in a raincoat. Nobody recorded that process. The scale only records the finish line of a race nobody is judging. The sporting consequence shows up in round three. The fighter enters the third with heavy legs, reflexes half a beat slow, and takes more shots. Fans call it a lack of heart. Coaches call it running out of gas. Both are wrong, because nobody has the data to name it correctly: that body has been dehydrated for forty-eight hours. The medical consequence is discussed far less. Rapid weight loss, especially in young fighters, is linked to kidney injury, electrolyte disorders, and in severe cases cardiovascular events. Such cases have occurred in the region. In Vietnam we have no database to establish frequency, because nobody writes anything down. The second missing layer is in-fight data. A boxing bout has five judges. After the fight, each holds a separate scorecard, and those cards go to the organising committee. I once asked to see three scorecards from a quarter-final. Three officials scored two rounds differently while watching the same fight. That divergence comes from the method of scoring, not from corruption. It is the consequence of judging by eye with no cross-referencing data at all. No punches thrown, no punches landed, no knockdown counts. When there is no data, the only remaining basis for a decision is impression, and impression bends to crowd noise, to shirt colour, to a familiar name. I tried something small: counting. During one quarter-final I sat with two friends, each counting one fighter's landed punches by hand. Three people, three results: 41, 47, 38. A twenty percent spread. All three of us were experienced observers. If three people sitting side by side diverge that much, then a scorecard without cross-referencing data is an open scorecard. I count the rhythm of exchanges the way I count the breathing of a group breathing together. But that breathing needs an instrument, not a man in the third row. The third missing layer is injury and return. This is where my attention sits, and where silence does the most damage. When a fighter is knocked out, no document obliges anyone to publish a minimum rest period. There is no assessment protocol before a return to the ring. I know one case. A young fighter was stopped in the second round at a regional event in October. The following March he appeared on the entry list of another tournament. Nobody asked anything. There was no file from which to ask. He won that fight, and the story was told as a lesson in perseverance. Here I have to say something blunt about how clubs release medical information: they release what benefits them. A shoulder injury may be disclosed if it explains a defeat. A head injury is usually kept quiet, because it lowers a fighter's market value and disrupts the schedule. Medical confidentiality, in many cases, protects the schedule rather than the person. The consequence of these three gaps is something few notice: you cannot make matches. Without complete performance records, without injury data, without average landed strikes, matchmaking runs on instinct and word of mouth. A nineteen-year-old can be placed against a man with thirty fights simply because they share a weight class and a province. Those fights usually end inside two rounds. Afterwards the loser vanishes from entry lists, not because he is bad, but because nobody knows whom he has already fought. At a youth tournament in central Vietnam, I counted one seventeen-year-old entering the ring four times in five days. Four fights, four opponents, and no record at all of how many times his head was struck in the first three. The organisers followed the rules. The rules do not require a record. There is one more detail I always think about when writing on domestic events. We reporters have so little material that we are forced into adjectives. A convincing win. An unfortunate loss. Character. Composure. Those words are not false, but they cannot be verified, and because they cannot be verified they are never corrected. A sports press living on adjectives will never discover that it was wrong about a fighter. I once described a young fighter as a convincing winner after watching the footage three times. Two years later a coach told me that in that fight the boy had a sore wrist from round one and could only use his right hand. I did not know. Nobody told me. And there was nowhere to look it up. There is a familiar explanation for all of the above: Vietnamese martial arts lack good athletes, lack a professional model, lack money. I have heard that sentence for twenty years. It is partly true, and the false part is the part worth discussing. What is missing first is documentation. A country with thousands of fighters competing every year that cannot keep a complete record of any one of them cannot assess where it is actually strong. We do not lack talent. We lack record keepers. The second familiar explanation is that data will fix everything. I do not believe it. Heat maps have become a new form of fortune telling in sport. People look at a red patch and draw conclusions about a player's role, when the red patch only says that he stood there more often. In martial arts the trap is even clearer. A chart of punches thrown by round will look very scientific. But if the counter cannot distinguish a landed punch from a blocked one, if nobody recorded that the fighter's shoulder hurt from round one, then that chart describes a different fight from the one that happened. Data does not generate understanding on its own. Data only makes misunderstanding more confident. The third explanation is the one I hear most in the coffee shops around the stadium: only the betting crowd knows the truth. That sounds like a criticism of the press. Look closer and it says something else: the betting crowd keeps books, and we do not. They record every bout, every result, every weight-class change, because their money depends on recording correctly. We in the sports press write in adjectives. The fourth explanation concerns foreign models. People say we must import a statistics system like CompuBox. But CompuBox is two people sitting side by side pressing buttons, plus a training process so that the two press alike. We have the people, the cameras, the venues. What we do not have is someone paying for those buttons to be pressed across twelve rounds. What is notable is that other disciplines have managed it. Vietnamese pencak silat has a scoring system so detailed that every minor fault carries a code. Taekwondo has electronic body armour registering impact force. Vovinam has a scoring scale defined down to each tier. So the problem is not Vietnamese technical capacity. It sits here: in boxing and the free-combat disciplines, nobody is obliged to record. This is where I want to linger. A system only runs when someone is accountable for it. In federations with electronic scoring, accountability belongs to referees and the technical committee. In domestic boxing, that accountability has not been assigned to anyone. Nobody is penalised for not recording. Nobody loses a medal for a missing file. An absence without a penalty will persist. After a media shock, people do not need another angle. They need a shoulder. For Vietnamese martial arts, that shoulder could be a spreadsheet with five columns. Walking-around weight. Fight-week weight. Landed strikes. Knockdown counts. Date of return after injury. Those five fields, recorded consistently for three years, would change how we talk about fighters more than any commentary ever could. Over the past six months I have logged small signals. A club in Da Nang began publishing its internal weigh-in table on its own page, once a week, hiding nothing. A coach in Can Tho moved his paper notebook onto a spreadsheet, and the spreadsheet gained a column: date of return after injury. A group of supporters in Hanoi built their own tracker for young fighters, updated after every tournament and shared publicly. Nobody pays them. They do it out of curiosity, and because they cannot stand the idea of a fighter having four bouts that nobody remembers. Those three signals are too small to be news. But they point somewhere: the archive of Vietnamese martial arts may not begin with a federation. It may begin with a spiral notebook, digitised by the teacher himself. When the stadium stands empty, we clap from a distance to remind each other that a heartbeat needs no distance. But that applause only means something if someone afterwards sits down and writes out what happened. At sixty-two I have learned that time does not make a gym older, it only makes the story thicker. But a story only thickens when someone commits to writing it down. Otherwise every generation of fighters starts again from zero, and each time, we ask ourselves why we never got further.