Why Ko Itakura Could Be Japan’s Key Center-Back at the 2026 World Cup

2026年5月19日

Why Ko Itakura Could Be Japan’s Key Center-Back at the 2026 World Cup

Ko Itakura’s importance to Japan is not just that he can defend. It is that he gives Japan both defensive stability and a clean first step into attack from the back. In a tournament setting, that combination is hard to replace.

When Japan announced its World Cup squad on May 15, 2026, Itakura was included among an experienced group of defenders. Even in that group, he stands out for one reason: he is not only a stopper, and not only a passer. He is one of the few Japanese center-backs who can win duels, hold the line, and still move the ball forward without slowing the team down.

Itakura was named in Japan’s squad announced on May 15, 2026.
Ajax list him with 14 Eredivisie appearances, 6 Champions League appearances, and 1 KNVB Cup appearance in 2025-26.
Ajax also list strong duel numbers: 68% in aerial duels, 54% in ground duels, and 69% tackle accuracy.
Over three Borussia Monchengladbach seasons, Ajax highlighted both his defending and his ball progression, not just one side of his game.
That blend is why he matters so much to Japan in a short tournament.

Key point: Japan do not simply need a center-back who clears danger. They need one who can survive pressure and then start the next phase cleanly. That is where Itakura has real value.

TOC

Why his role matters more than a normal center-back slot

Japan already have multiple international-level defenders. Takehiro Tomiyasu brings elite one-on-one defending. Hiroki Ito offers left-footed distribution. Shogo Taniguchi brings experience and calm. But Itakura is often the piece that makes the whole structure easier to read.

That matters because Japan’s center-backs are usually asked to do two jobs at once:

Deal with physical forwards and direct attacks.
Resist the urge to hit hopeful long balls after regaining possession.
Keep the team compact when Japan are pushed back.
Step into buildup when the midfield needs help.

Itakura can cover all four. That does not mean he is flawless, but it does mean coaches can build more around him. In knockout football, that reliability has real tactical value.

The evidence from club football

A player’s role for country is easier to trust when the club evidence is clear. In Itakura’s case, it is.

Ajax: ready-made for a possession team

Ajax’s official player profile for 2025-26 credits Itakura with 14 Eredivisie matches, 6 Champions League matches, and 1 KNVB Cup match. That is important because it shows he was used across multiple competitions in his first season there, not treated as a specialist for one context only.

The same profile lists the numbers that best explain his floor as a defender:

68% aerial duel success
54% ground duel success
69% tackle accuracy

None of those figures are flashy in isolation. Together, they show something more useful: he does not collapse in the basic defensive actions a center-back must keep repeating all game.

That fits why Ajax wanted him in the first place. When the club announced his signing on August 8, 2025, technical director Alex Kroes described him as strong in duels, comfortable on the ball, and tactically intelligent. Ajax also noted that he became the first Japanese player in the club’s history, which underlined both the significance of the move and the confidence they had in his profile.

Borussia Monchengladbach: the balance is the story

The sharper proof comes from the numbers Ajax cited from his three seasons at Borussia Monchengladbach.

Across 75 Bundesliga matches and six league goals, Ajax highlighted a package of defensive and possession metrics that is unusually balanced for a center-back:

303 duels won
146 aerial duels won
77 interceptions
67 successful tackles
1,310 forward passes
89.7% passing accuracy
69 involvements in open-play shots in his last Bundesliga season, the highest among the club’s defenders

Those numbers matter because they show two things at once.

First, Itakura can handle contact. He is not a center-back who looks neat only when the game is quiet.

Second, he contributes to territory. The 1,310 forward passes and 1,008 carries cited by Ajax point to a defender who helps move the game upfield. For Japan, that may be the more important part. When the back line can find the next pass instead of resetting under pressure, the whole team attacks from a higher platform.

What Itakura changes for Japan

This is where the World Cup angle becomes clear. Japan do not need Itakura to be the star of every match. They need him to make the team function cleanly.

1. He is a launch point from the back

Japan’s full-backs and wide players often push high. That leaves the center-backs with a bigger technical burden than simple defending. Someone has to break the first line of pressure, either with a pass into midfield or by carrying the ball forward far enough to force a reaction.

Itakura is well suited to that. His forward-passing record in Germany and his fit at Ajax both point the same way. He can keep Japan from becoming predictable in buildup.

If Japan are forced into rushed clearances, their attack starts 40 or 50 meters farther from goal. If Itakura plays through pressure, Japan keep their shape and their tempo.

2. He gives Japan a reference point in aerial and recovery defending

International tournaments still punish center-backs who cannot deal with direct play. Crosses, second balls, long diagonals, and set pieces all put stress on the middle of the defense.

Itakura’s aerial success rate gives Japan a dependable reference in those moments. Just as important, his value is not only in the first header.

What follows after the duel is often the real test:

Can Japan win the second ball?
Can the line step out together?
Can possession be recovered without panic?

That is where Itakura’s calm matters. A center-back who clears one ball but cannot reset the structure leaves his team defending the same wave again. Japan need more than a blocker. They need a stabilizer.

3. He can connect different defensive shapes

Japan have moved between a back four and a back three under Hajime Moriyasu. That raises the value of defenders whose performance does not drop when the role shifts.

Itakura is one of the best candidates for that job.

In a back four, he can operate centrally as both organizer and distributor.
In a back three, he can play centrally or on the right while still helping progression.
In deeper phases, he can simplify the game without giving the ball away cheaply.

That flexibility is not just a lineup bonus. It matters during matches, when tournament games often turn on small tactical changes rather than wholesale substitutions.

Why his World Cup experience still matters

Itakura started all three of Japan’s group-stage matches at the 2022 World Cup in Qatar. That included the win over Germany on November 23, 2022, and the win over Spain on December 2, 2022.

Those matches matter in this discussion because they were not comfortable, possession-heavy games. Japan had to defend for stretches, absorb pressure, and still make the right defensive decisions when the match state changed.

That experience does not guarantee success in 2026. It does mean Itakura has already worked through the kind of emotional and tactical swings that decide World Cup matches.

What to watch in North America

If you want to judge Itakura properly during the tournament, do not focus only on whether Japan concede.

Watch these details instead:

Whether he wins the first aerial duel against strong central forwards.
Whether his first pass after a recovery is calm and useful.
Whether Japan can keep their line organized when pressure builds.
Whether he still helps progression when paired with different center-back partners.
Whether clearances turn into repeated defending, or into a controlled escape.

That is the real test. If Itakura keeps Japan solid without turning every recovery into survival mode, he raises both the defense and the attack at the same time.

In that sense, his importance is easy to define. Japan do not just need him to stop danger. They need him to turn danger into the start of the next move. If he does that consistently in North America, he will be one of the players most responsible for how far Japan go.

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