Moriyasu Japan to Retry the 4-Back — Shelved During the World Cup, Testing It Today Against Uruguay

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The story

Sponichi reports that Moriyasu’s Japan plans to start with a 4-back formation in today’s international friendly against Uruguay. Throughout the actual World Cup, the team stuck with a 3-back (switching to a 5-back depending on the situation) to the very end, shelving the 4-back idea. On 5ch, reactions were split: some voiced anxiety over the squad’s shortage of natural right-backs and a deep-seated distrust of Moriyasu’s tactical decisions, while others took it more positively, framing it as an experiment aimed at the next World Cup four years from now.

Sponichi

[ September 24, 2026, 04:30 ]

Men’s Soccer International Friendly: Japan vs. Uruguay (September 24, 2026, Q Stadium)

Source: sponichi.co.jp / Original article here

What people said

2AnonymousSep 24, 2026 07:44
Do we even have anyone who's a natural fullback on this roster?
3AnonymousSep 24, 2026 07:46
Ugh, not the 'Kubo at attacking mid' cursed system again
5AnonymousSep 24, 2026 07:47
Running a 4-back is something for a tactician manager who can make fine in-game adjustments, not—
7AnonymousSep 24, 2026 07:51
Oiwa runs a 4-back anyway
If they want continuity, they need to start now
though Japan doesn't have good fullbacks
8AnonymousSep 24, 2026 07:52
It's a new regime starting next cycle anyway, so this is probably just a throwaway experiment
9AnonymousSep 24, 2026 07:53
Huh?
We've already seen plenty of proof you have no sense for running a 4-back, Moriyasu
10AnonymousSep 24, 2026 07:53
The target World Cup is four years away,
so whatever they do now means nothing lol pointless pointless
12AnonymousSep 24, 2026 07:54
Don't tell me they're still using Sugawara after everything that's happened
13AnonymousSep 24, 2026 07:55
Re: #12
There aren't any, are there?
16AnonymousSep 24, 2026 07:55
"The top teams at the World Cup went to a 4-back, so Japan should too" —
Japan really has zero identity of its own, huh
17AnonymousSep 24, 2026 07:56
Then call up more defenders lol
Tomiyasu declined, Ando's resting at the hotel with a bad back, and Itakura's a mess
It's cutting it close to field 4 matches
19AnonymousSep 24, 2026 07:56
A manager who can only do a 5-back and
a manager who mainly runs a 4-back demand completely different things from their fullbacks
Stop wasting everyone's time with this
20AnonymousSep 24, 2026 07:57
If there's no fullback, four center-backs would work fine too
23AnonymousSep 24, 2026 07:59
Re: #20
Who do you think you are, Miura Toshiya? (a former Japan manager infamous for quirky tactics like an all-center-back back four)
21AnonymousSep 24, 2026 07:57
Well, even Hiroshima's been mixing in a 4-back on top of their rock-solid 3-back, so it is trending
22AnonymousSep 24, 2026 07:57
In the end the 3-back turns into a 5-back against strong opponents anyway — that's just Moriyasu's ceiling
24AnonymousSep 24, 2026 07:59
I wanted to see them test Kosugi, who's playing left-back at the Asian Games,
maybe they'll try it on the November trip to Singapore?
25AnonymousSep 24, 2026 07:59
The wing-back system was basically built around peak Ito and Mitoma anyway
Mitoma's injured and Ito's getting up there in age with limited minutes now
Nakamura and Doan are more the type you want pinned up high, and they were being forced to shuttle up and down instead
26AnonymousSep 24, 2026 08:01
Top teams have plenty of talented wide attackers, and every World Cup quarterfinalist ran a 4-back specifically to cover the space behind them — so it's like, why try this only now that the tournament's over? For the Asian Cup, where the opposition is basically minnows, that weird system might actually be better though
27AnonymousSep 24, 2026 08:02
For all that, they haven't called up that many fullbacks, have they?
34AnonymousSep 24, 2026 08:05
Re: #27
There aren't many center-backs either
28AnonymousSep 24, 2026 08:03
Trying this out now when he's about to leave the job — sounds like he still wants to keep going, doesn't it
29AnonymousSep 24, 2026 08:04
There's no right-back who even holds up against Asian opposition though
36AnonymousSep 24, 2026 08:06
Re: #29
Moriyasu doesn't even know about guys like Iwata
86AnonymousSep 24, 2026 08:33
Re: #29
There's Nakano though
This guy's amazing
30AnonymousSep 24, 2026 08:05
I can't imagine he's skilled enough to pull that off
31AnonymousSep 24, 2026 08:05
There were a lot of 4-back teams at the World Cup, after all
42AnonymousSep 24, 2026 08:10
They were running a 3-back in the first place because there's no fullbacks…
Would the 4-back believers be satisfied watching Sugawara, Sekine, and Hashioka get torn to shreds on the flanks?
52AnonymousSep 24, 2026 08:14
Re: #42
Those guys get beaten even in a 5-back lol
58AnonymousSep 24, 2026 08:18
Sakai Hiroki's breakout came under Halilhodzic (Vahid Halilhodzic, Japan manager 2015-2018)
In the end a fullback's quality comes down to the coaching
Give eight years to a Moriyasu who can't even run a 4-back and Japan ends up with no internationally viable fullbacks
64AnonymousSep 24, 2026 08:21
Re: #58
This isn't a video game — you don't suddenly 'level up' just from gathering with the national team a few times a year
59AnonymousSep 24, 2026 08:19
Nobody watches soccer practice matches anyway so who cares
People only tune in once every four years as it is
60AnonymousSep 24, 2026 08:20
Re: #59
There's a weirdo here who only watches the final episode of a TV drama series
75AnonymousSep 24, 2026 08:28
If they run a 4-back with this squad,
it'd probably be Ito on the left and Suzuki Junnosuke on the right,
though both look shaky as fullbacks…
81AnonymousSep 24, 2026 08:30
Re: #75
Machida looks better suited to fullback than Ito
He's got pretty good pace
83AnonymousSep 24, 2026 08:31
Re: #75
Wonder how the left-back spot shakes out going forward
Ito, Machida, Kosugi, Nakayama, something like that?
76AnonymousSep 24, 2026 08:29
Friendlies are just not fun to watch at all, are they
79AnonymousSep 24, 2026 08:30
Re: #76
Between the blowout wins and way too many qualifying spots, even World Cup qualifiers are boring these days

Background and Key Points

Moriyasu’s Japan consistently used a 3-back (switching to a 5-back depending on the opponent) throughout the World Cup in North and Central America, and never switched to a 4-back during the tournament itself. Today’s match against Uruguay is the first strengthening match since the World Cup, and on the forum thread, many comments pointed out the thin depth at natural right-back. The 4-back has been the dominant formation among the top teams at recent World Cups, offering the advantage of more easily covering the space behind the fullbacks, but it’s also a system that demands both strong one-on-one defending and attacking contribution from both fullbacks. The split reactions stem from differing takes: some see this as a belated experiment given that it’s still unclear at this point whether Moriyasu will continue as manager, while others see it as preparation looking ahead to the next four-year cycle.

*This article is excerpted and summarized from the 5ch (Geinou/Sports News+) thread “[Soccer] Moriyasu Japan to retry the 4-back! Shelved during the World Cup, but ‘preparing to start with it this series’ — today vs. Uruguay.”

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