Vietnamese Women's Volleyball: Full Stands, Empty Data

It is eleven at night and the livestream room of three former national team players is still lit. More than five thousand people are watching, and hundreds of comments type the same question: “How many blocks did we get, sis?”

Those three women understand volleyball better than anyone in that room. They once stood at position four, trained together for more than a decade, walked onto the court with tape wrapped around their wrists. Yet none of them dares to read out a number. The match ended at nine in the evening; two hours later, the only thing left is the memory of the people who watched. More than 5,000 people watched the livestream of three former national players — I am no longer alone. But among those five thousand, not one knows exactly what they just watched.

That night I understood where it hurts for Vietnamese women's volleyball this season. The stands are full. The notebook is empty.

Ten years ago, a group-stage match at the women's national championship sometimes drew so few spectators that the shout of a single person in the back row echoed around the whole arena. Now, walking into a provincial arena midweek, I have to push through three layers of red shirts printed with club names before I can reach my seat.

That pull is real. Women's matches draw tens of thousands of views in some livestream slots. Sponsors print their names on jerseys and on boards around the court. A few young national players have gone abroad to play, and each piece of news brings in a new layer of fans. Regional tournaments and domestic invitationals such as the VTV Cup have become ticketed events with queues at the gate.

Results have followed. For several years now, Vietnam's women's team has occupied the position that once belonged to Thailand by default.

Then I tried something very simple: to find the statistics of a women's match that had just ended. I wanted to know how many block points the winning team scored, what percentage of first-ball receptions were accurate, how many aces and how many service errors. I opened the organiser's page, the federation's page, the club's page. The only thing I found was a score sheet listing the number of sets and the score of each set.

At the same time, if I want to look up a lower-division men's football match, I have passing numbers, heat maps, distance covered for every player. Women's volleyball stands on the other side of the same sporting nation.

In my notebook, every women's match is three pages of squared paper. I record block points set by set, count missed serves, and write the names of receivers in a private shorthand only I can read. Forty years with a pen, and I have built myself a system for remembering Vietnamese women's volleyball. That system will die with me.

Based on my experience of watching these matches, four groups of indicators decide whether a women's team wins or loses — and all four are absent from any public document.

The most decisive is block points per set. In women's volleyball the height gap between teams is not as large as in the men's game, so one good block is worth two or three attack points. I once watched a team win the first set with five blocks and then lose the next three because the block was stretched to both wings. Nobody recorded it. The next morning, an online article said the team had “lost its spirit”.

The most painful indicator for Vietnamese women's volleyball is the ratio between aces and service errors. A big server can win three points in a row and lose four in a row with service faults. Every coach knows this. But a substitution at the end of a set is usually explained by “feel”, because no sheet of paper can argue with a feeling.

The hardest indicator for spectators to see, and the least likely to lie, is the perfect reception rate. A team can win one set with a low perfect-reception rate, but it cannot win a whole match that way.

What remains is attack efficiency broken down by position. With that, you can answer the question fans ask most: why a wing spiker keeps getting blocked alone in the fourth set. The answer usually lies in whom the setter had to distribute to across the previous three sets.

Behind those four groups lies another story, told less often: human endurance. Vietnamese women's volleyball now has a schedule that I find unfair to the players themselves. The national championship, regional legs, invitationals, national team training camps — together they make a year with no real week off. We are using a system of record-keeping by memory to manage a training load that requires data.

I once sat next to a coach in the medical room of an arena, at nine at night, after a player's knee gave way in the fourth set. He said something I wrote in my notebook, under the ruled line: “We know it's overload, but there's no number to show anyone.” People speak of load management as a new academic concept. Here, it is sometimes just an excuse to justify sending a player out for one more commercial friendly.

The women's transfer market is the same. Every season brings news that this spiker is moving to that club, and every season brings three or four versions of the same story. Clubs announce departures in a short line on a personal page; no contract, no term, no figure. Fans argue with hearsay, experts argue with conjecture, and when the season starts, both are equally surprised. The data gap is not empty. It is filled with rumour.

One thing is worth saying: this season, the most measured thing in Vietnamese women's volleyball is the audience. Organisers count livestream views, tickets sold, posts shared. Those numbers rise steadily and look good, and they are evidence of a sport on the way up.

But a sport cannot progress on views. Views measure appeal, not whether a nineteen-year-old spiker can hold her attacking range through the fifth set. For years, I have watched this industry learn the glamorous half of professional sport very fast — media, image, sponsors — and the dry half very slowly: records, statistics, medical care, contracts.

A more uncomfortable hypothesis, which I leave for those inside the game to answer. If clubs published complete statistics, people would see that some teams rotate around just seven people for an entire season. They would see a few pillars playing nearly every set. Silence about data is sometimes a way of keeping those numbers from being counted.

I still think about that evening at Lạch Tray, when a seventeen-year-old scored twice and the whole stand erupted. The double of a 17-year-old girl at Lạch Tray, I rewrote in sweat, not ink. At 60 I still think I am the girl jumping up and down in the stand at Lạch Tray. That emotion has value. But emotion is not data, and a sport that lives only on emotion will keep forgetting how far it has come.

There are signs. A few groups of young people sit in the back row, open tablets, record blocks and service faults themselves, and post them as tables. A few young coaches have started using software to clip every rally. That work is quiet, it never makes the front page, but it is happening.

When that sheet of paper is made public, every argument about Vietnamese women's volleyball will change — harsher and fairer. And I, at sixty, will still be sitting there, counting by hand in my notebook, but this time someone else will be counting with me.