Vietnam vs Thailand: With the Striker Gone, Kim Sang Sik Must Change the Rhythm

At the final training session before the Thailand match I sat in the third row of the auxiliary stand, clicked my stopwatch and counted. The squad split into two for four ten-minute blocks. For the first three, the ball travelled sideways and nobody dared play the through ball. In the fourth, Kim Sang Sik blew his whistle, dropped the opposing back line and shouted one word: "Behind." Seventeen seconds later the ball was in the net. I wrote in my notebook: this team does not train to open matches. It trains to close them.

The news cycle outside tells a different story. Twenty-seven matches unbeaten, twenty-three wins, four draws. The sequence is so clean it makes people forget that the opener was a 1-0 win over the Philippines. I rewound that tape three times to see what Vietnam actually did in the first half hour. The answer: almost nothing. Forty-two percent of possession sat in their own half, vertical passes were rare, and the only shot on target arrived in the 67th minute. That is the signature of a team playing to a rhythm, not to inspiration. And that rhythm is under threat from something no headline prints: the injury list.

People trust the screen; I trust the man at the end of the bench taking notes by hand. That bench has had four empty seats for days. Quang Hai, Van Vi and Thanh Chung are out injured. The fourth is Nguyen Xuan Son, the striker who scored in the most recent regional final, ruled out for four to six weeks. Kim Sang Sik publicly apologised to the fans, and separately to Thep Xanh Nam Dinh, the club losing its first-choice forward to national duty. A coach apologising to a club in the middle of a tournament is rare. It shows he understands the cost of a call-up, and that in this football system one senior player is an asset far beyond a V.League club's budget.

This fixture is a group final in all but name. Vietnam and Thailand both won their openers, Thailand beating Pakistan 4-0. Win in Bandung and you take top spot in the group and an easier path beyond it. This is also the first match in which the 27-game unbeaten run is genuinely put on the line.

Kim Sang Sik's plan is no secret. He talks openly about two phases: hold the distances in the first half, lock the central corridor, deny Thailand the ball in the final thirty metres; then, after the break, accelerate and exploit the space behind the back line. He names Thailand's midfield as the main source of danger and wants to smother it before thinking about scoring. This is risk-managed football: trading early aggression for late control.

The problem is that phase two requires people. Phase two requires a No. 9 who knows where to run and a No. 10 who can play the final pass — both are in the treatment room. Xuan Son is out for four to six weeks, Quang Hai is sidelined, and Nguyen Hoang Duc's availability is open. The plan that looks elegant on the tactics board has lost exactly the two links that hold it together.

That is why those seventeen seconds in training mattered. Williams Minh Hoang, nineteen, back from abroad, was the player receiving the ball in the space behind the defensive line. He already provided an assist for Dinh Bac in the previous game. Vietnam have widened their recruitment pool in recent years: Patrik Le Giang, Hoang Hen, Tai Loc, Adou Minh, Cao Quang Vinh, Ngo Dang Khoa, Minh Hoang. Partly because of the injury cluster, but also because the federation has turned scouting Vietnamese heritage abroad into standing policy rather than an emergency patch.

On the Thai side the story is tighter. Chanathip Songkrasin was rested for the Pakistan match, and I do not believe that was purely physical. Holding a creative player back specifically for one fixture is a signal: the opponent is aiming at Vietnam's thinnest area, the central corridor, where Hoang Duc may not start. Thai media are not idle either. Siam Sport published a piece warning their own supporters about Vietnam's consistency, which is unusual given regional outlets normally praise the home side. Commentator Quang Huy predicted a 2-1 Vietnam win and described this Thailand as more troublesome than the one in the previous final.

Where I part company is with the word "unbeaten". International coverage looks at twenty-seven matches and paints a Vietnam that cannot lose. Drawing on my experience of watching Vietnam's matches closely under Kim Sang Sik, I look at the last fifteen games in my notebook and see a team that wins by holding rhythm: many one-goal margins, many games decided in the final twenty minutes, many where the defence strains through the first half and a substitute forward settles it. The consistency is real. The dominance is not. Following one team for a full year taught me a habit I cannot shake: I do not read results, I read when the results arrive.

And this is what I distrust most about the "stronger in the second half" narrative. In many cases, second-half power is not physiology but communication. Announcing in advance that your team will explode after the interval is a double-edged move: it soothes the crowd's impatience after a dull first half, and it preserves an exit route if the team chooses to play safe. If Vietnam truly believed in a second-half surge, the starting XI would contain at least one player capable of holding the ball high up the pitch. Without Xuan Son and Quang Hai, that burden falls entirely on Hoang Duc, whose fitness is in doubt.

The dressing room never keeps a secret — only people who do not know how to listen think it is silent. The tone from this squad has been strikingly uniform: Hai Long says everyone will fight for Xuan Son, Kim Sang Sik praises Thailand, nobody says anything inflammatory. That unity is a sign of a healthy room. It is also a sign that they know this match is hard, and do not want to plant an expectation they may not be able to meet.

I once chased Gabriel Mercado alone through the rain in Russia, in the middle of a chaotic mixed zone, just to ask one question about Mbappe. Breaking news does not fall from the sky; you have to make it. The same applies in Bandung. I am not sitting around waiting for an injury bulletin. I am tracking the registration list, tracking who warms up first, tracking which defender is assigned to cover in the training-ground corner routine.

In the first half, my eyes will be fixed on the central corridor. If Hoang Duc starts and touches the ball more than twenty times in the first thirty minutes, Vietnam will not need to wait until the 60th. If he sits, Vietnam will go long, slow the tempo and load everything into the last twenty minutes — meaning Thailand, with a fully rested Chanathip, will hold most of the ball and most of the chances.

The real gap in this fixture is not Vietnam's defence. It is that this team is having to relearn how to score without the man who usually scores. Who replaces Xuan Son is not the big question. The big question is whether Williams Minh Hoang, or whoever is pushed forward, can hold the rhythm of a match in which every square metre is contested.

The man the dressing room once sneered at now counts the beat for the whole team. I counted all seventeen of those seconds on a late-afternoon training pitch, and I will keep counting from the auxiliary stand in Bandung, to see whether that rhythm survives the first half.