Beyond the trophy: Kim Sang Sik's FIFA ASEAN Cup mission

Kuala Lumpur, Malaysia – As the referee's whistle blows at the FIFA ASEAN Cup 2026 on Indonesian soil, Kim Sang Sik will not merely be chasing another trophy. The South Korean tactician faces a much bigger equation: transforming the 12-day tournament (September 24 – October 5, 2026) into a tactical laboratory for Vietnam's continental ambitions. Since taking charge, Kim Sang Sik has led Vietnam to the 2026 ASEAN Cup title. But that trophy, in his own view, was just the starting point. Having conquered the region, the pressure is no longer about 'can we win?' but 'how do we surpass ourselves' on the continental stage? The tournament in Indonesia offers a rare opportunity: a truly competitive environment where every opponent treats their match against Vietnam as their final. This creates the perfect backdrop to test the team's real strength – something that, over the past two years, with the status of favourites in most matches, has not been clearly visible. This stage is where Kim Sang Sik needs to answer questions about squad depth and system effectiveness. Can the B and C options adequately replace key players when problems arise? Can the familiar possession-based style withstand pressure from faster, stronger opponents at the 2027 Asian Cup? Interestingly, Kim Sang Sik himself has acknowledged the urgent need for 'more solutions'. This is not an admission of weakness, but a sign of a long-term thinking coach. Instead of chasing immediate results, he chooses to use an official tournament – with real pressure and competitiveness – to experiment. This is the strategy of someone who understands that Vietnamese football needs a qualitative leap, not just victories over regional opponents. However, this very strategy harbours a paradox: if the experiments fail and Vietnam exit early, will the fans accept the excuse 'we are building for the future'? Reaching the final is the minimum expectation, and pressure from the stands could become a double-edged sword. The home-ground context of Indonesia further adds to the difficulty. With home crowd advantage, Indonesia will certainly be Vietnam's most dangerous opponent in this tournament. They will view defeating the defending champions on home soil as a statement of their football's resurgence. But perhaps, the most important thing Kim Sang Sik needs to do in this tournament is resolve the 'champion's trap'. When a team is accustomed to winning as favourites, complacency can creep in. Using the tournament as a serious examination, as he is doing, could be the antidote to overconfidence – a way to keep his players focused. The reality is that the gap between regional and continental level is enormous. Opponents like Japan, South Korea, Iran, or Australia will not easily allow Vietnam to impose their style. They will exploit the spaces that Southeast Asian teams lack the quality to recognise. Therefore, finding new tactical options and new personnel in real high-pressure situations is invaluable. For me, someone who has followed Southeast Asian football for years, this is the first time a Vietnam national team coach has so clearly prioritised long-term goals over immediate results. This shows a maturity in football governance thinking, not only from Kim Sang Sik but also from the Vietnam Football Federation. Will the FIFA ASEAN Cup 2026 be the perfect stepping stone for Vietnam to conquer the 2027 Asian Cup? The answer will depend on whether Kim Sang Sik can reconcile two objectives: achieving good results to maintain confidence, while creating the necessary experiments to upgrade the squad. This is the hardest puzzle of his career in Vietnam. It would be a mistake to only look at the scorelines of each match in this tournament. What matters more is how the team operates, how new players integrate, and how the team reacts to adverse situations. Those are the most valuable data Kim Sang Sik needs to collect. Another notable point is the tournament's substantial prize money, a significant motivation for the players. However, for a team of Vietnam's calibre, money is never the deciding factor. What drives them must be the ambition to go further, to assert their position not only in Southeast Asia but across Asia. Looking back at the past two years, Vietnam has produced a talented generation of players. But talent alone is not enough. They need the right tactics, meticulous preparation, and a winning mindset at the highest level. The FIFA ASEAN Cup 2026 is precisely where all of that will be tested. As the ball rolls on Indonesian pitches, the biggest question is not 'will Vietnam win?' but 'is Vietnam ready for the continent?'. Kim Sang Sik is searching for the answer himself, and all eyes will be on how he uses these 12 days to shape the future of Vietnamese football.