ScoutRoomThere is no weak side in 3x3. One basket, three defenders, nobody digging from the corner. So spacing does a different job than it does in 5v5. It is not about stressing help defenders, because there are none to stress. It is about standing where the points are, and giving every drive an exit before it starts.
The floor has three values. Occupy two of them.
The 3x3 floor pays one point at the rim at a high percentage, two points behind the arc, and one point in between at the worst rate on the court. The mid-range is the leak. A study of 91 games across the 2019 senior and U18 World Cups (Madarame, 2023) found the efficiency gap between men's and women's 3x3 was not shooting accuracy at all. Women hit 2-pointers and mid-range shots at the same rate as men. The gap was selection: men took more twos and fewer mid-range shots. That is the most useful finding in the whole shot-selection literature, because selection is coachable and spacing is where you coach it. A team spaced rim-and-arc never catches the ball in the dead zone to begin with.
Depth is part of spacing: toe on the line
Behind the arc is not one place. The Tokyo 2020 comparison of Serbia and Poland (Nowak and colleagues, 2025) found Serbia took 94 percent of their twos within a metre of the arc and shot 34.4 percent on 8.7 attempts a game. Poland scattered nearly a third of theirs deeper than a metre and a half out, and shot worse on far more volume. Unbeaten team, winless team. Set up at 6.75 to 7.5 metres, not eight-plus. A shooter drifting a step deep is giving back the exact value the spacing was built to create.
The shape exists to create the kick
Hold the shape, corners and top, and every drive has an outlet before it begins. That matters because the pass is what turns spacing into points. The women's World Cup 2023 phase analysis (298 coded possessions) found adding a pass raised attack effectiveness, while pure isolation was less productive. And the 2025 study of 28 senior internationals found the catch-and-shoot two off perimeter movement was the most efficient way to shoot it, above 35 percent, while the off-the-dribble two was the most common and the worse option. Drive-and-kick to a moving shooter is the whole machine: the drive is real, the defence commits, the kick finds feet already set behind the line.
The staple that lives inside the shape
For the women's game specifically, the top-four teams at the 2019 World Cup ran wing pick-and-roll more than any other screening action (Sun and Wang, 2021), and finished it at the rim. The layup off the drive was the main scoring choice, and the running finish showed up in the 2023 data as the most frequent and most effective finish. The spacing is what makes that action work: a wing ball screen with the other player holding wide means the roll has a lane and the kick has a target. Collapse the shape and the same action produces a crowd.
The diagram is the easy part of spacing. Anyone can stand in the right spot at the start of a possession. The separation is holding it through four passes, relocating behind the drive, and refusing the catch in the dead zone. That gets drilled, or it disappears by minute six.