Vietnam's injuries through Indonesian eyes: Don't close the tactical map too soon

As speculation over Vietnam's squad for the FIFA ASEAN Cup grows, Indonesian media have begun counting the losses on their rival's side. Van Vi, Hoang Duc and Duy Manh – three key names in Kim Sang Sik's system – have all appeared in reports suggesting they could miss the tournament. On the surface, the story is about selection. Look deeper, and it becomes a moment when Vietnam's tactical map opens a new branch. Before discussing individuals, context matters. In recent matches, Vietnam built their play on mobility in the wide channels. Kim Sang Sik favours players who can defend actively, escape pressure with short passes, and sprint into space behind the opponent's back line. In that context, Van Vi's role is not merely a full-back. Tactics are a foreign language, and I spend my life translating it. When so-called 'irreplaceable' players are absent, that translation begins to shift. With his speed and attacking support from the left, Van Vi was the link that carried the ball out of pressing traps. He did not simply run down the line; he stretched the shape, creating room for centre-backs and midfielders to play line-breaking passes. Without him, Vietnam lose a vertical threat in the final third. Quick counter-attacks – once their trademark – may have to be redirected through central channels. Indonesian observers probably remember Vietnam's 3–0 win, where Hoang Duc starred with two assists. So when Hoang Duc picked up an injury, media in that country were quick to claim Vietnam's midfield would lose its only architect. To be precise, Hoang Duc is more than an assister. He reads the tempo, shifts the point of attack with simple but intelligent touches, and opens up huge spaces for his team-mates. In a short tournament like the ASEAN Cup, losing such a metronome forces the coaching staff to rethink their approach against sides that press high. Duy Manh is also on the watchlist. Although details of the centre-back's injury remain unclear, that was enough for Indonesian media to view it as a positive sign. They argue Vietnam's defence – once considered a pillar – will be patched up if Duy Manh is unavailable. From a narrow perspective, the concern is justified. Modern football, however, does not collapse simply because one player is missing. It works through structure. Before I trust my eyes, I trust structure. If you have watched Vietnam in recent years, you will know that their strength comes from positional rotation, from players taking turns to occupy space. Injuries, while unfortunate, sometimes become a chance for the coach to test new options. Van Vi may be replaced by a more defensively-minded full-back, giving the back line extra solidity against possession-based opponents. If Hoang Duc is absent, the conductor's role can be shared by two central midfielders – one deep, one advanced. Even without Duy Manh, Kim still has experienced centre-backs at his disposal. In the summer of 2026, I dived into the depths of the V-League with numbers. I learned that teams rarely break apart merely because they lack a few individuals – unless their system is built too thin. The main issue for Vietnam now is not the injury list itself, but the time needed to embed a new tactical idea into fresh faces. At a FIFA ASEAN Cup, pre-tournament training sessions are limited. Kim Sang Sik will not have many chances to experiment if he keeps waiting for his key men. Preparing for the worst-case scenario from now on might actually become an advantage. Indonesian media may celebrate, but the story does not end with who is absent. In regional tournaments, teams that are underrated because of missing stars have often become harder to predict. When there is no single player to mark out of the game, the opponent also struggles to identify the main threat. Pressure shifts to Indonesia – they will have to attack against a Vietnam side that looks different but is not weaker. Do not close the tactical map too soon. Before every major tournament, there are overlooked data and unflipped cards. From a specialist's viewpoint, I want to see who Kim uses on the left, who takes the creative role in midfield, and how the defence is organized if Duy Manh cannot play. Vietnam have overcome injury-hit periods before. This time the challenge is bigger, but it is also a chance to prove squad depth. Southeast Asian football has always had surprises named 'preparation'. Indonesia are talking about an opponent with missing players. I am thinking about an opponent about to gain new pieces. When the tournament begins, today's headlines may become material for a different story – the story of those who dare to rebuild, even without the most familiar names.