Online Soccer Manager

OSM 3-4-3A Counter Tactic 2027 (26/27)

Q: What kind of formation is 3-4-3A?

According to Aranzulla's OSM guide , an Italian tech site, 3-4-3A is the classic version: four midfielders in a flat line in front of three centre-backs, with three forwards. In the B version the midfield is a diamond. OSM Helper's 26/27 guide also lists 3-4-3 among the most popular attacking formations and, together with 4-3-3, as a core Wing play formation. The 3-4-3A setup in OSM Helper's site tactics gives an idea of how an opponent might play:

Q: Why this setup? Where to catch 3-4-3A

Numbers in midfield: Two of 3-4-3A's four midfielders play wide. Your 4-3-3B's three central midfielders give you a spare man against their two central midfielders. A back three and one-on-ones: Your wide forwards pull their outer centre-backs wide. When you win the ball, your three forwards face their three centre-backs one on one, with no fourth defender to cover. Watch the flanks: 3-4-3A can put two players on each flank, a wide midfielder and a wide forward. That is why keeping your full-backs on Defend deep and your midfield on Protect the defence matters.

What beats 3-4-3A in OSM 26/27? A 4-3-3B setup that targets the back three and two-man centre, starting Pressing/Style/Tempo values and a 5-2-3A alternative.

FireGhost

November 3, 2026, 10:30 PM5 min read

In brief

AI summary

A sensible counter to 3-4-3A is 4-3-3B with Wing play, full-backs defending deep, midfield protecting the defence, zonal marking, and no offside trap.
The 4-3-3B provides a central-midfield advantage while its three forwards can isolate 3-4-3A’s three centre-backs, but the flanks require careful protection.
Against a much stronger opponent, use 5-2-3A with Counter-attack, deep defending, midfield protection, zonal marking, and the offside trap off.

Contents12 sections

A sensible starting point for an OSM 3-4-3A counter tactic: 4-3-3B, Wing play, full-backs on Defend deep, midfield on Protect the defence and zonal marking. If the opponent is clearly stronger, a back-five 5-2-3A with Counter-attack is the more cautious option.

To be upfront: we found no numeric community table specific to 3-4-3A for 26/27. The advice rests on general rules from community tools, OSM Helper's site tactics and the shape of the formation; we have not tested it.

What kind of formation is 3-4-3A?

"Choose your lineup" promo image from Miniclip's OSM page

According to Aranzulla's OSM guide, an Italian tech site, 3-4-3A is the classic version: four midfielders in a flat line in front of three centre-backs, with three forwards. In the B version the midfield is a diamond. OSM Helper's 26/27 guide also lists 3-4-3 among the most popular attacking formations and, together with 4-3-3, as a core Wing play formation.

The 3-4-3A setup in OSM Helper's site tactics gives an idea of how an opponent might play:

Setting	OSM Helper's 3-4-3A example
Game plan	Wing play
Forwards / Midfielders / Defenders	Support midfield / Stay in position / Defend deep
Pressing / Style / Tempo	69 / 50 / 50
Marking / Offside trap	Zonal marking / Yes

Strengths and weaknesses of 3-4-3A

Strength	Weakness
Two players on each flank with wide midfielders and wide forwards	Only three centre-backs
Three forwards keep a back four busy	Two central midfielders; outnumbered by three-man central midfields
Can hold a high line with the offside trap	If the trap fails, there is no fourth defender to cover

OSM 3-4-3A counter tactic: 4-3-3B with Wing play

OSM line-up screen with a Real Madrid starting eleven in a 4-3-3

Setting	Suggestion	Reason
Formation	4-3-3B	Three against two in central midfield; the defensive midfielder screens the back four
Game plan	Wing play	Drags their three centre-backs wide
Forwards	Attack only	Your three forwards go one against one with their three centre-backs
Midfielders	Protect the defence	Supports your full-backs against two opponents on each flank
Defenders	Defend deep	Attacking full-backs leave space for their wide forwards
Marking	Zonal marking	Four defenders against three forwards gives you a spare man
Offside trap	No	Off in 52 of the community engine's 54 recommendations

The marking rule comes from OSM Next Level: if your defenders outnumber the opponent's forwards by at least one, zonal marking keeps the shape.

Pressing, Style and Tempo

OSM pre-match tactics screen: Passing game plan, Normal tackling and line tactics

With no 3-4-3A-specific values available, we give OSM Next Level's engine averages by squad strength as a starting point. These averages come from its 4-3-3 recommendations.

Situation	Pressing	Style	Tempo
You are stronger	66	72	65
Even	62	66	59
You are weaker	59	63	60

According to the same source, venue (home or away) moves pressing by only about one point; let the strength gap guide your choice.

Why this setup? Where to catch 3-4-3A

OSM match screen showing goals and a substitution in a Real Madrid vs Manchester City game

Numbers in midfield: Two of 3-4-3A's four midfielders play wide. Your 4-3-3B's three central midfielders give you a spare man against their two central midfielders.

A back three and one-on-ones: Your wide forwards pull their outer centre-backs wide. When you win the ball, your three forwards face their three centre-backs one on one, with no fourth defender to cover.

Watch the flanks: 3-4-3A can put two players on each flank, a wide midfielder and a wide forward. That is why keeping your full-backs on Defend deep and your midfield on Protect the defence matters.

If the opponent is much stronger: 5-2-3A and Counter-attack

The setup OSM Helper flags for stronger opponents: 5-2-3A, Counter-attack, Forwards on Attack only, Midfielders on Protect the defence, Defenders on Defend deep, with Pressing 70, Style 30, Tempo 70, zonal marking and the offside trap off. Five defenders give you two spare men against three forwards. Your three forwards stay high and face their back three one on one when you win the ball. It is not built for 3-4-3A specifically; it is a general setup for stronger opponents.

What changed since our older guide

The structure of the tactics screen has not changed since our 2022 3-4-3A counter tactic guide. This version adds the marking rule, the community averages and a back-five alternative for weaker sides. OSM's official help page also recommends testing a tactic in a friendly first.

Frequently Asked Questions

Which formation should I use against 3-4-3A in OSM?

If you are even or stronger, 4-3-3B with Wing play is a sensible start; if weaker, 5-2-3A with Counter-attack. We found no 26/27 community table specific to 3-4-3A.

Zonal or man marking against 3-4-3A?

Zonal marking is enough with four defenders against three forwards; you have a spare man.

What is the weak point of 3-4-3A?

The back three and the two central midfielders. Your wide forwards stretch the centre-backs, and three central midfielders outnumber them in the middle.