When an opponent switches to a zone, the ball can stop moving and the offense may settle for contested perimeter shots. This guide is for coaches of school, mini-basketball, and adult teams facing that problem.
Start by identifying whether the defense is a 2-3 or a 3-2. Their common weak areas are almost reversed: a 2-3 often leaves the high post and perimeter vulnerable to quick reversals; a 3-2 can leave the middle near the free-throw line and the baseline less protected. We compare both and explain how to adjust if the same opponent changes zones during a game. This article covers set half-court zones, not zone presses. I develop BoardStrategist, a basketball tactics-board and scorebook app for iPad and iPhone.
Identify the shape by counting the top line
The numbers in a zone name describe the defenders from the front of the formation toward the basket. One quick read is to look at the defenders facing the ball when it reaches the top:
- Two defenders at the top: typically a 2-3 zone, with the ballhandler between the two.
- One defender directly at the top, with three across the line: typically a 3-2 zone.
If the picture is unclear, count the defenders around the basket: three near the paint suggests a 2-3, while two suggests a 3-2. A team may adjust its shape as the ball moves, so keep reading the defense rather than relying on the first alignment.
Structure and common gaps in a 2-3 zone
A 2-3 places two defenders high and three around the paint. Three defenders near the basket can make drives and low-post play harder, while the two top defenders have a large area to cover. The high post, wings, and short corners can become vulnerable when the ball moves faster than the defense can recover.
- High post: a pass into the middle can force the top and bottom lines to decide who steps up, opening a pass to a wing or low post.
- Perimeter: two top defenders cannot cover the top and both wings at once. Quick ball movement can create an open look.
- Short corner: a baseline catch can pull an outside low defender away from the basket, potentially opening a layup or a pass to an open shooter.
A common sequence is to look for the high-post entry, keep the wings wide to stretch the top line, and then use a short-corner pass to shift the defense around the paint.
Structure and common gaps in a 3-2 zone
A 3-2 puts three defenders across the top and two near the low blocks. It can pressure perimeter shots and reach the wings quickly, but the middle and baseline areas may be less protected than in a 2-3.
- Middle near the free-throw line: the high post can be available if the three defenders at the top do not close the passing lane.
- Directly above the top line: some 3-2 alignments leave the ballhandler more room to attack the middle, including with a screen at the top.
- Baseline and low post: with only two defenders near the basket, a short-corner catch can create a difficult numbers decision for the defense.
Look to enter the high post and connect to a low-post player (a high-low action), or attack off the dribble from the top when the lane is available.
2-3 and 3-2 at a glance
| Feature | 2-3 zone | 3-2 zone |
|---|---|---|
| Defenders across the top | 2 | 3, usually one at the ball |
| Area with more coverage | Paint and low post | Perimeter and wings |
| Areas that may be less protected | High post, perimeter gaps, short corners | Middle, space above the top line, baseline |
| First area to probe | Use the wings to find the high post | Look for a direct high-post entry from the top |
Adjust when the opponent changes zones
You do not need to replace the whole set every time the defense changes. Keep a shared starting alignment—one player at the high post and two wings—and change where the first pass goes:
- Against a 3-2: pass directly from the top into the high post or use a top pick-and-roll to attack the vertical gap.
- Against a 2-3: move the ball to a wing before entering the high post, or use a skip pass to reverse the ball and look for a perimeter shot or short-corner touch.
A short cue can help players remember: “Two in front, go wide; one in front, go middle.” Because some defenses shift with the ball, keep checking which area is open rather than treating the cue as an automatic play call.
Principles that apply to both zones
- Occupy the high and low posts: a player in the middle can force the defense to make a difficult handoff or rotation.
- Keep the wings wide: stretch the top line and increase the distance defenders must cover.
- Use skip passes: reversing the ball across the zone makes the defense shift and can create a gap.
- Attack the gap: dribble between two defenders and make them decide who will help.
- Overload one side: place three attackers on one side to create a local numbers advantage.
These are common tactical principles, not guaranteed holes. The result depends on how the opponent applies its zone, its athleticism, and how well it communicates. Prepare a next option if the first target is covered instead of assuming one pass will break the defense.
Zone-offense examples in BoardStrategist
The difficult part for players is often what to do after the ball reaches the high post. BoardStrategist’s tactics library has a Zone Offense category with ten plays. For a 2-3, it includes Top Screen Overload, Shallow Cut, Runner and Pin Screen, and Ball-Side Counter. For a 3-2, it includes Overload Middle Flash and One-Pass Overload. The library also has three plays for a 1-3-1 zone and a Swing Double Flare.
Each play includes options for how to respond to different defensive reactions, step notes, and key points. Animations can be played at 0.5×, 1×, or 2× speed. “Open on tactics board” loads the arrangement so you can adapt it for your team. The board also includes a 2-3 Zone Defense setup template. For creating animated sequences, see the animation guide. The sideline box is the free sample; other plays, including the zone-offense library, are unlocked with Pro.
Frequently asked questions
Is a 2-3 or 3-2 easier to beat?
There is no universal answer. They leave different areas less protected. Against a 2-3, look for the high post, perimeter, or short corner; against a 3-2, probe the middle and baseline.
How can I tell when a team changes from 2-3 to 3-2?
Watch the defenders facing the ball when it reaches the top. Two across suggests a 2-3; one in front within a line of three suggests a 3-2. The number of defenders around the basket is another clue.
Does this cover zone presses?
No. This guide covers half-court zones that set up in the front court. A zone press has different pressure points and ways to advance the ball.
Can younger teams use these ideas?
The principles still apply, but simplify the decision to match players’ passing skills. For example, start with one goal—get the ball to the high post—then add another option after the first one is reliable.