Rotation sets the next serve, not the whole rally.

The baseline is BWF standard doubles

This page applies Badminton World Federation Statutes Section 4.1, Laws of Badminton, Version 5.0 (2), in force 26 April 2025, especially Laws 9, 11, 12 and 13. It covers ordinary men's, women's and mixed doubles under the same service-order provisions.

It does not treat a club drill, national youth format, handicap rule or Para badminton court modification as universal. Where an event has adopted an authorised alternative law or domestic regulation, that published event ruleset controls.

A tracked court is not a compulsory standing spot

BWF Laws 11.1.3–11.1.6 use right and left service courts to preserve the correct serving and receiving sequence. Those tracked courts answer who is due to serve, who is due to receive, and which diagonal service courts apply.

Only the server and receiver must actually stand inside the diagonally opposite service courts for the service (Law 9.1.3). Their partners are not confined to the “other box”: Law 9.5 permits each partner to stand anywhere on that partner's own side during delivery, provided the position does not unsight the opposing server or receiver. After the service is returned, Law 11.2 allows either partner to hit from any position on that side.

The serving side's score selects right or left

At zero or an even score, the serving player serves from the right service court. At an odd score, the serving player serves from the left. It is always the serving side's score—not the receiving side's score—that selects the service court.

The receiver is the opponent due to receive in the diagonally opposite service court. Under Laws 9.1.3–9.1.4, the server and receiver must be inside those courts without touching the boundary lines, and some part of both feet must remain stationary and in contact with the court from the start of the service until delivery.

The other partners have no assigned service box

BWF Law 9.5 allows the partners of the server and receiver to take any position within their own side's court during delivery, provided they do not unsight the opposing server or receiver. They need not stand in a matching box merely for appearance's sake.

This freedom does not make the receiver interchangeable. Only the player due to receive may return the service. If the receiver's partner hits it, Law 13.2.3 makes that a fault: the serving side wins the rally and point under Law 7.3, and the same server serves next from the alternate service court under Law 11.3.1.

The same server serves from the alternate court

If the serving pair wins the rally, it scores a point and the same player serves again from the alternate service court (Law 11.3.1). For service-order tracking, the partners' right–left relationship therefore flips under Law 11.1.5.

That does not require the server's partner to stand in the court just vacated. Law 9.5 still controls the partner's actual position during delivery. The receiving pair's tracked courts do not change merely because the serving side scored.

Service changes sides; tracked courts stay put

If the receiving pair wins the rally, it scores and becomes the serving side (Law 11.3.2). Neither pair exchanges its tracked service courts as a result. On the new serving side, the service sequence and score parity identify the player who must serve from the matching court.

The player who returned the previous service is not automatically the new server. In the opening cycle, Law 11.4 passes service from the initial server to the initial receiver's partner, then to the initial server's partner, then to the initial receiver, and back to the initial server.

Follow positions through three rallies

1. Start: at 0–0, A1 serves from A's right service court to B1, the initial receiver. For tracking the order, A2 and B2 have the opposite right–left assignments; their actual standing places remain flexible under Law 9.5.
2. A wins: at 1–0, A1 serves again from the left, now to B2. A's tracked courts flip; B's do not.
3. B wins: at 1–1, B gains service without exchanging tracked courts. Law 11.4 makes B2—the initial receiver's partner—the next server, from B's left court.
4. B wins again: at 2–1, B2 remains server but changes to the right service court. B's tracked courts flip; A's do not.

The sequence comes from score parity, the fixed service cycle and the one ordinary rally trigger for changing tracked courts. It does not require all four players to shuffle into four boxes after every point.

Either partner may cover any area

Once the serve has been returned, the right and left service boxes no longer restrict player movement. Partners may change places repeatedly, stand front–back, defend side-by-side, cross behind one another, or recover into any tactical formation.

The sides must still alternate hits: either player on one side may strike, then either player on the opposing side may strike. Partners do not have to alternate their own team's contacts, but successive hits by partners are a fault under Law 13.3.8. A double hit by the same player is governed separately by Law 13.3.7, including its one-stroke racket-head-and-stringed-area exception.

Front–back and side-by-side are coaching choices

A common attacking formation places one partner near the net and the other farther back. A common defensive formation places partners roughly side-by-side. These are useful tactical patterns, not positions required by the Laws.

An official does not penalise a pair merely for both players standing at the back, both moving forward, or partners crossing during a rally. A fault arises only if the movement breaches an actual law—for example, touching the net, invading the opponent's court in a prohibited way, obstructing an opponent, or deliberately distracting one.

The receiver's partner cannot take over the return

The correct receiver must be in the diagonally opposite service court and is the only player on that side permitted to return the service. The receiver's partner may choose a supporting position elsewhere on that side, subject to the sight-line rule, but cannot intercept the service.

After the receiver makes a legal return, that special receiver-only restriction ends. Either partner may play the next shot available to the side.

The previous game's order does not lock the next one

Under BWF Law 11.6, either player of the side that won the previous game may serve first in the next game, and either player of the losing side may receive first. The pair may therefore choose a new initial server or receiver rather than carrying forward the ending sequence.

Once those opening choices are made, the normal right-court start, service sequence and rotation rule govern that game. By contrast, changing physical ends during a deciding game under Law 8 does not begin a new game or reset the service order: the score and tracked right–left relationship carry across to the other end.

Correct the order, but keep the existing score

BWF Law 12 defines a service-court error as serving or receiving out of turn or serving or receiving from the wrong service court. If it is noticed during a rally, the correction waits until the shuttle is not in play. The existing score stands.

The completed score is not erased and the error alone does not create a replay. Before the next service, restore the correct server, receiver and courts from the game score and established Law 11.4 sequence. Law 11.5 separately recognises exceptions where Law 12 applies or a fault for misconduct is called, so an officiated match should follow the umpire's corrected call and score sheet rather than a player's rotation mnemonic.

Worked case under BWF Version 5.0 (2): at 6–5, the wrong partner receives and the rally finishes before anyone notices. Award that rally normally, keep the resulting 7–5 or 6–6 score, and correct the order while the shuttle is out of play. The decisive fact is Law 12.2's instruction that the existing score stands.

Set the next doubles service in five checks

1. Name the serving side. After an ordinary completed rally, the rally winner serves next; after a let, the player who served last serves again under Law 14.3.
2. Ask how it gained the point. If it was already serving, the same server continues and changes service courts; if it was receiving, its tracked courts do not change.
3. Use the serving side's score. Zero or even means right; odd means left.
4. Use the Law 11.4 cycle. This identifies which partner is due to serve; the opponent in the tracked diagonally opposite court is the receiver under Law 11.1.4.
5. Separate records from feet. Put the server and receiver inside the diagonal courts; let the other partners choose any non-unsighting positions on their own sides.

“Rotate after every point” is the wrong shortcut

• Myth: both pairs rotate after every rally. Rule: only the serving side that wins the rally changes its tracked service courts.
• Myth: all four players must occupy one service box each. Rule: only the server and receiver have assigned boxes; Law 9.5 gives their partners positional freedom subject to the sight-line restriction.
• Myth: the server must be the back player throughout the rally. Rule: after the return, either partner may play from anywhere on that side.
• Myth: partners must alternate their team's shots. Rule: either partner may make the side's next stroke.
• Myth: either opponent may receive if both can reach the shuttle. Rule: only the diagonal receiver may hit the service.
• Myth: a service-court error erases completed points. Rule: correct the error when the shuttle is not in play and retain the score.

Track three facts before every serve

1. Which side is serving?
2. Is that side's score even or odd?
3. Which partner is due to serve under the retained sequence?

Even means right and odd means left. If the serving side won the previous rally, the same server changes courts; if the receiving side won, its tracked courts stay unchanged and the partner due for the score-matching court serves.

Do not confuse early 3×15 adoption with the current BWF baseline

The BWF membership approved a best-of-three, 15-point scoring system scheduled to take effect on 4 January 2027. Until then, Version 5.0 (2) remains the international baseline unless a named competition is using an authorised alternative. The shorter format changes the target score and related intervals, not the basic even-right, odd-left doubles service logic explained here.

Some national bodies moved earlier. Badminton Danmark's published domestic Section 4.1 uses 3×15 from 1 July 2026. That Danish rulebook governs competitions within its stated domestic scope; it is not evidence that every BWF event changed in July 2026. Always check the event prospectus or national regulations.

Governing-body sources and effective versions

• Badminton World Federation, BWF Statutes Section 4.1 — Laws of Badminton, Version 5.0 (2), in force 26 April 2025 — Definitions and Laws 7.3, 9.1.3–9.5, 11, 12, 13.2.3, 13.3.7 and 13.3.8.
• Badminton Association of Japan — notice of BWF approval of the 3×15 scoring system, 26 April 2026 — records the planned BWF implementation date of 4 January 2027 and links to the BWF announcement.
• Badminton Danmark, BWF Statutes Section 4.1 Danish domestic rules, updated 1 July 2026 — Laws 7 and 11 for Denmark's early 3×15 adoption and unchanged parity-based doubles service method.

Checked on 13 August 2026. Current BWF international positioning rulings on this page use Version 5.0 (2), in force 26 April 2025. The approved 3×15 system is scheduled for 4 January 2027 and is not presented as the current international baseline; early national adoption and any competition-specific, Para badminton, handicap or authorised alternative provisions must be checked separately.