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Attack structures are the organised patterns of player movement, ball distribution, and decision-making that a team uses to advance the ball into the opponent's territory and score points. The subfield concerns itself with how attacking play is designed, taught, adapted, and executed against a defence that is actively trying to disrupt it. It sits between the most general principles of attack—such as go forward, support the ball carrier, and maintain continuity—and the specific, unscripted decisions that players make in the course of a single phase of play.
At its core, attack structure addresses a coordination problem. Rugby union and rugby league both feature fifteen or thirteen players per side, with the attacking team needing to move an oval ball forward against a defence that is permitted to tackle the ball carrier and compete for possession. Without some organising pattern, attacking players would arrive at the ball carrier in uncoordinated waves, create predictable alignments, and fail to commit defenders in enough places to create space. Structure provides a shared framework of expectations: each player knows roughly where teammates will be, what runs they are likely to make, and what options the ball carrier will have. This shared knowledge is what allows a team to execute complex attacking sequences at full speed, under physical pressure, and with less time to think.
The central questions of the subfield are recurring and practical. How does a team create numerical superiority at the point of attack? How does it commit multiple defenders to one area so that another area opens up? How does it maintain possession across multiple phases while making progress? How does it adapt when the defence refuses to commit players in the expected way? How does it choose between a structured, pre-planned attack and an improvised, player-driven one? These questions are answered differently depending on the laws of the code, the personnel available, and the prevailing defensive fashions of the era.
A fundamental distinction shapes the entire field: the difference between a fixed, pre-rehearsed pattern and a flexible principle-based system. In a fixed system, players run specific lines from specific positions in response to specific defensive alignments. In a principle-based system, players are taught a small number of attacking concepts—such as "draw and pass," "run straight," or "fix the defender"—and are expected to apply them creatively based on what the defence shows. Most real teams sit somewhere between these poles, and much of the internal debate within the subfield concerns where exactly the balance should lie.
Attack structure in rugby has always existed in some form, but it was not always a conscious, systematised subject. Early rugby was largely unstructured: the ball was typically won by forwards and moved through the hands of backs in relatively simple, straight lines. The idea that a team could design attacking patterns in advance, much like plays in American football, developed gradually and unevenly.
The most important early development came in the southern hemisphere, particularly New Zealand. The touring All Black teams of the early twentieth century demonstrated that forwards could handle the ball and run attacking lines, not merely win possession for the backs. This broadened the attacking toolkit beyond the simple forward-and-back division. Later, in the 1960s and 1970s, teams began to experiment with more elaborate back-line moves: decoy runners, scissors passes, and loop plays in which a player runs around the ball carrier to receive a return pass. These moves were the first recognisable attack structures in the modern sense, and they were often named and rehearsed in training.
The professional era, beginning in the mid-1990s in both rugby union and rugby league, transformed the subfield. Full-time training allowed teams to rehearse complex attacking patterns with far greater precision. Video analysis made it possible to study defensive alignments in detail and to design attacks that targeted specific weaknesses. The pace and fitness of the game increased, which changed what kinds of structures were viable. Around this time, a broader conceptual shift also occurred: many coaches moved away from teaching a large catalogue of named set-pieces and toward teaching a smaller set of principles that could generate attacking play without needing to predict every defensive response in advance.
Three broad approaches to attack structure have emerged and, to different degrees, coexist in both codes. They are best understood not as a linear sequence with clear winners and losers, but as rival answers to the central coordination problem, each with its own strengths and vulnerabilities.
The oldest and most intuitive approach is fixed pattern play: the team rehearses specific attacking sequences, often from a restart or a set piece, in which every player has a defined run, a defined pass, or a defined screen. A classic example is the "set backline move" in which a centre runs a decoy line inside while the fly-half passes to a winger looping around the outside. These moves are designed to create confusion in the defence through misdirection, or to exploit a known weakness such as a narrow defensive alignment.
The organising assumption is that the defence can be manipulated if the attack is sufficiently well rehearsed and runs its execution at full speed. The strength of this approach is its reliability: every player knows exactly what is supposed to happen, and the move can be drilled until execution is near-automatic. The weakness is that fixed patterns depend on the defence cooperating. If the defence reads the move and does not bite on the decoy runner, the pattern collapses into a low-quality attacking situation. Fixed patterns are also vulnerable to being "worked out": once an opponent has seen the move on video and practiced the correct defensive response, its value drops sharply.
Fixed pattern play remains influential, especially at set pieces and from scrums and lineouts, where the starting positions of both teams are known and the attack has a clear launching point. It is now rare as a team's entire attacking philosophy, but it remains an important tool within a broader system.
The second major approach focuses on territorial progression and the systematic building of pressure through multiple phases of play. This is often called a "phase-based" or "territorial" attack. Its organising assumption is that the defence will eventually break if it is forced to make tackle after tackle in its own half, and that attacking teams should therefore prioritise making ground and retaining possession over attempting high-risk attacking plays.
This approach typically involves a structured sequence of phases: the ball is carried strongly into contact, recycled quickly, and the next phase is launched from a similarly organised position. The team may deliberately use "pod" systems in which a small group of forwards cluster together and carry the ball alternately, with the aim of committing the defence and generating quick ball for the backs. The key metric is not the spectacular line-break but the steady advancement of field position and the fatigue imposed on the defence.
The strength of this approach is its conservatism: it limits the risk of turning over possession in dangerous areas and gradually grinds down the opponent. Its weakness is that it can become predictable, and well-organised defences learn to slow the ball down and starve the attack of quick possession. The approach also requires a high level of fitness and accurate technique at the breakdown, and it can produce a low-scoring, attritional style of play that some spectators and purists find unappealing.
The third major approach, which gained prominence in the late professional era, treats attack not as a sequence of rehearsed patterns but as a set of attacking principles applied to whatever the defence presents. This approach is variously described as "free-flowing," "connective," or "space-based" play. Its core idea is that space is created not by fooling the defence but by forcing the defence to make choices about how to allocate its limited number of defenders across a wide field.
The key attacking concepts in this approach are the "draw and pass" (the ball carrier attracts a defender before passing, so that the receiver has an extra fraction of space), the "run straight" (which prevents the defence from drifting over and closing space), and the "two-on-one" or "three-on-two" overlaps that arise when the attack holds its width. The attacking team constantly scans the defence and attacks whichever part of the field has the fewest defenders, switching play from one side to the other to stretch the defence laterally before striking through a gap.
The organising assumption is that the defence will always have to make trade-offs: commit defenders to the breakdown, drift to cover the outside, or move up to press the ball carrier. Each trade-off opens space somewhere else, and the attacking team's task is to recognise and exploit that space as it appears. The strength of this approach is its unpredictability: it is much harder for the defence to prepare for than fixed patterns, because the attack itself does not know exactly what it will do. Its weakness is that it demands very high levels of skill, vision, and mutual understanding from all fifteen or thirteen players, and it can struggle against defences that are extremely well coordinated and willing to make aggressive, line-up challenges.
These three approaches are not strictly separated schools, and most successful teams deliberately combine elements of each. A team might use fixed patterns from its own lineout but play principle-based rugby in the middle of the field, and then shift into a territory-and-phase mode when it is deep in its own half or trying to protect a lead. The choice between them is a function of the team's personnel, the laws of the code, and the mood of the game.
The relationship between the approaches is often discussed in terms of a spectrum running from "structure" to "chaos." The fixed-pattern end of the spectrum offers control and predictability; the principle-based end offers variability and the capacity to punish defensive errors. The best attacking teams, on this account, are those that can move along the spectrum deliberately: imposing structure when it suits them, and letting the game open up when they have the advantage in space or speed. The territorial approach sits somewhat outside this spectrum, since it is more about the management of risk and field position than about how to create space against a set defence.
There is also an important interaction between attack and defence that shapes how these approaches evolve. Defensive innovations—the spread defence, the blitz defence, the rush defence—are regularly developed to counter dominant attacking approaches, and attacking coaches then respond with adjustments. The subfield is therefore in a constant, dialectical development with defensive strategy, and an attack structure that is devastating in one era may be quite ordinary in the next because the defence has evolved to neutralise its central idea.
The present era of attack structure is marked by several durable features. First, video analysis and data analytics have become central to the design and adjustment of attack structures. Coaches now have access to detailed information about defensive alignments, line speeds, and tackle patterns, and they design their attacks to target the specific weaknesses that this data reveals. Second, the pace and continuity of the modern game have increased substantially, which has pushed most teams further toward the principle-based end of the spectrum. The amount of time available between phases is now so short that complex pre-rehearsed patterns are harder to run, and the ability to make good decisions quickly has become more valuable than the ability to remember many coded moves.
Third, the two codes of rugby have moved in somewhat different directions. Rugby league, with its six-tackle rule and no competition at the breakdown, has developed a highly structured attacking system involving rehearsed shapes and a strong emphasis on managing the tackle count. Rugby union, with its fluid contest for the ball and open play, allows for greater attacking variety, and the modern union game features a blend of territorial play, phase-building, and space-creation that keeps the field broad and the attacking options multiple. Each code has also learned from the other: union has adopted some of the attacking shapes developed in league, and league has increasingly valued the offloading and continuity play traditionally associated with union.
A notable feature of the modern landscape is the degree of international cross-pollination. Coaches move between domestic leagues and national teams across hemispheres, carrying ideas with them. Southern hemisphere teams, particularly those from New Zealand, have historically been associated with an adventurous, principle-based style, while northern hemisphere teams have often been seen as more conservative and structured. These regional stereotypes have blurred considerably in the professional era, and the current landscape is better described as a global competition among similar attacking ideas, differentiated by local constraints and the preferences of individual head coaches.
The durability of the subfield's central questions does not mean that its content is settled. The balance between structure and free play, the right amount of pre-rehearsed variation, and the best way to teach attacking decision-making are all actively debated. What is uncontested is that attack structure is a central object of rugby coaching: it determines how a team expresses its identity on the field, and it is the principal means by which coaching staff translate a game plan into the observable behaviour of fifteen or thirteen players trying to score against a coordinated defence.