Japan vs Uruguay: Moriyasu's Shape-Shift and the Gamble on the Right Flank

On September 22, 2026, at a training session in Miyagi, Hajime Moriyasu's players warmed up in a back four. Less than half an hour later the defensive line contracted into three centre-backs, and the two full-backs pushed up as wing-backs. Nobody stopped to ask. Nobody glanced at the tactics board again. In nearly thirty-six years of sitting in stands and press rooms reading football, I have learned that whether a team is genuinely learning a new lesson or merely rehearsing an old one reveals itself in the exact moment of the shape shift, not in the lines delivered in front of a camera. Two days later, on September 24, Japan host Uruguay at Miyagi Stadium. The match opens Moriyasu's third era, and it opens it with an unanswered question: does Japan line up with a back four or a back three? Moriyasu calls this the starting fixture on the road towards the Asian Cup and the next World Cup. He says the team is not simply continuing what it has done, but wants to accumulate, to grow, to evolve. This is the first gathering since the World Cup staged in North and Central America, so the occasion carries the weight of a new cycle. For a national team that has repeatedly startled Asia at recent World Cups, the question is not whether Japan has enough talent, but whether it has enough patience to rebuild from scratch. On the system itself, he withholds the answer. Whether the team starts with a back four, he declines to say, but he confirms that the variable shape is something he wants to test inside the match. A coach who says that usually already has two plans in his head and simply does not want the opponent to know which one opens the game. On personnel, he is explicit: the line-up will be built around the players who had arrived before Monday. As of the end of September 21, sixteen players had joined the camp. This is the core group, and it is also the group that decides the starting framework. Those who arrived later because of club fixtures, even with bigger reputations, are likely to watch from the bench. Across the pitch stands Uruguay under Diego Forlan, the man who won the 2026 World Cup Golden Ball as a player. He now leads a national team in transition. For someone who reads the transfer market for a living, this mid-September friendly is also a quiet trading floor. National team windows are always when European scouts fill the stands. A player who performs well against Uruguay can convert a substitute's role into a starting role at his club, or convert it into a bigger salary. Winter is coming. So what does that framework actually look like? The back three is expected to line up, left to right, as Ito Hiroki, Itakura Kou and Seko Ayumu. That arrangement says far more than a list of names. Ito Hiroki is left-footed, positioned on the left to open up passing lanes down the touchline. Itakura Kou sits in the middle, both sweeper and initiator. Seko Ayumu plays on the right, leaning towards duels and man-marking. The three men carry three different jobs, and that is precisely why a back three cannot be staffed with three identical centre-backs. The right flank, the wing-back slot, is the most intriguing spot. In the September 22 session, when the team shifted to the back three, one full-back was pushed up to wing-back. That player was Matsuki Kuryu, twenty-three years old, called up to the senior national team for the first time. Putting a debutant into the one corridor that demands both running volume and reading of the game means Moriyasu is accepting a gamble. Central midfield is the most compelling story. Sano Kaishu and Sano Kodai are likely to pair up as the two central midfielders. They are brothers. Kaishu is the destroyer; Kodai is the metronome who carries the ball forward. Last June, in the final round of Asian qualifying for the World Cup against Indonesia, the two brothers appeared together. The last time a pair of Japanese brothers played together for the national team was in the 2026 Asian Cup qualifiers, with Sato Hisato and Sato Yuto, roughly nineteen years ago. Kodai summed it up in one short line: there are special feelings, but the match has nothing to do with that at all. If the two of them can contribute together to a team win, that is enough. The answer sounds ordinary, yet it shows he understands that a pair of brothers on the pitch only has value if it produces a real tactical advantage. Above the two central midfielders sit the two attacking midfielders, and this is where Japan places its biggest bet. Suzuki Yuito, currently at Freiburg in the Bundesliga, arrives at this fixture with four goals in four league matches, including a hat-trick on the opening weekend. His form is rising. Beside him is Doan Ritsu, wearing the number ten. On their understanding, Suzuki said: if each of us simply does what he wants to do, it will work out; because we were both developed by the same coach at Freiburg, some of the foundations are similar. At the very top, the lone striker role is likely to belong to Maeda Daizen. Maeda is not the kind of centre-forward who plants himself and waits for the ball. He runs. He forces opposing defenders to decide in a split second, and those hurried decisions are exactly what opens space for the two players behind him. Put those five pieces together and a fairly clear idea emerges. A back three allows both wing-backs to push high, creating several attacking channels in the first line. The two central midfielders divide the labour: one breaks, one builds. The two attacking midfielders are tasked with drilling into the gap between the opponent's midfield and defensive lines. Maeda runs to stretch the centre-backs. This is a structure designed to strike the space behind Uruguay's midfield, not a structure designed to keep possession for its own sake. But a structure only looks beautiful on paper. It needs time. And here I have to say it plainly: pieces only fit when we are willing to look at them from four sides. Seen from Japan's side, this is a young, energetic squad with every reason to be excited. Seen from Uruguay's side, this is an opponent they have met often enough to know that Japan loves to push its wing-backs high. Seen from the side of the European clubs holding these players' contracts, this is a match they simply want to end after ninety minutes with nobody on the ground. Seen from the supporters' side, this is the first match of a new cycle, and first matches are always the ones people remember wrongly. There is one detail I want to pause on. Matsuki Kuryu is on his first senior call-up and is immediately pushed into one of the hardest roles on the pitch. I have sat through enough sessions like this at European training centres to know: a coach does not hand a newcomer the hardest job if he wants to be safe. He only does it when he wants to learn the truth about that player. A friendly is not for winning. A friendly is for gathering evidence. I do not trust speculation; I trust the chain of actions that leaves footprints. A player can say anything in a press conference, but where he stands in training will not lie. That is why the Sano brothers matter more than their surface story. The tale of brothers playing side by side is very easy to sell to the media. Agents do not sell players; they sell the story football wants to believe. But for a coach, that is only the garnish. What he needs is a ball-winner strong enough to shield a back three, and a deep-lying playmaker with enough nerve to escape the press. If the brothers can do that job, Japan has a midfield for an entire cycle. If they cannot, the brother story becomes nothing more than a historical footnote. As for Uruguay, I expect them not to press high. With a new coach, the single most important thing is not to lose. They will drop the block, hold their distances, and wait for Japan to make mistakes on the flanks. That is precisely the real examination for Matsuki on the right and for the Sano pair in the middle. There is a blind spot in the entire way this story is being told. The variable system is being advertised as a tactical leap forward. It sounds very modern. But to be fair, a team that trains for a few sessions and then changes shape mid-match is changing shape in order to learn, not yet in order to win. Three days in camp is not enough to teach eleven men to swap roles simultaneously. What Moriyasu will actually measure after the Uruguay match is not the quality of the system, but the absorptive capacity of the people inside it. Furthermore, the rule of building around the sixteen players who arrived before Monday has a flip side. It is fair to those who arrived on time, but it removes from the equation the good players who arrived late because of club schedules. For a team under construction, you may be leaving out exactly the man you need. The signature on the paper is only the epilogue; the real game lives in the phone calls at midnight. For Japan's national team right now, the midnight call is the one between the coach and the parent club, negotiating which player is released, for how long, and on what conditions. A friendly in September has never been merely a friendly. On September 24 at Miyagi, the result will be forgotten within a week. What will not be forgotten is the answer to a different question: after Moriyasu names eleven men for the back three, how many of them will still be standing in those same spots when Asian qualifying begins? Football does not reward beautiful ideas; it rewards the man who can repeat the idea under pressure.