The Doubles Court

In doubles, the full width of the court is used — including the alleys (tramlines) on each side. This makes the court 10.97 metres (36 feet) wide, compared to 8.23 metres (27 feet) in singles.

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Court Width

36 ft (10.97m) — 4.5 ft wider on each side than singles. The alleys are always in play.

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Court Length

78 ft (23.77m) — identical to singles. Only the width changes in doubles.

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Service Box

The service box dimensions do NOT change. The serve must still land in the same service box as in singles.

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Service Alley

The alleys are OUT on serves — the serve must land in the standard service box even though the court is wider.

Key Rules for Doubles

Serving Order

Doubles serving follows specific rotation rules:

Example: If Player A and Player B are a team, and A serves game 1, B serves game 3, A serves game 5, and so on. The opponents follow their own pattern independently.

Receiving Order

Service Rules in Doubles

Service rules are identical to singles — the server gets two serves per point. The serve must land in the diagonally opposite service box. Lets are replayed. A double fault loses the point.

Who Can Hit What?

Either partner can hit any ball on their side of the net. There is no rule requiring each player to stay in their half of the court. However, only one player may hit the ball per stroke — it is a fault if both players strike the ball.

The ball may touch the net post but must not touch the net post's support cables or the ground before crossing over. A ball that passes around the outside of the net post and lands in is legal (extremely rare, but real).

Positioning

Doubles positioning is the biggest difference from singles. The most effective formation puts pressure on the opponents immediately.

The Standard Formation: One Up, One Back

The classic doubles formation during a serve:

Both Up (Attacking)

When your team gets a short ball or a chance, both players advance to the net. This is the most aggressive and effective formation — two net players create angles and put enormous pressure on the opposing team to find precise passing shots.

Both Back (Defending)

When both opponents are at the net and you're under pressure, retreat to the baseline. This reduces angles and gives you time.

Net Play

Net play is the dominant feature of high-level doubles. A team that controls the net controls the match.

Volleying in Doubles

The Overhead Smash

When opponents lob, the ideal response is an overhead smash. In doubles, call "mine!" to avoid collision. The player in better position should take it. If in doubt, the player on the ad side typically takes centre lobs. Aim the overhead at one of three targets: down the middle, or at the hips of either opponent.

Poaching

Poaching is the most dynamic net tactic in doubles — the net player crosses to intercept a crosscourt shot directed at the server.

Key Tactic

The I-Formation is a variation where both players start near the centre of the net at the service T, then split based on a pre-arranged signal. This confuses the receiver about where the net player will go, making poaching nearly impossible to defend.

When to Poach

Faking

You don't always need to commit. A fake movement toward poaching can pull the receiver's eyes away from the ball and create a mistake — even if you return to your position. This is legal and effective at all levels.

Communication

In doubles, communication between partners is constant and essential. Before each point, agree on:

Silence is the enemy in doubles. Even a simple "yes" or "no" call can eliminate the hesitation that costs points.

Return Strategy

The return in doubles is one of the most pressured shots in tennis — you're hitting toward a net player who is ready to poach. Best practices:

The Alley — Open or Closed?

The alleys are a major tactical factor in doubles. The net player's job is to keep the opponent "honest" about the alley — if the alley is always open, the opponent will use it constantly.

Mixed Doubles

Mixed doubles (one man, one woman per team) follows the same rules with one common strategic wrinkle: opponents often target the woman or switch after a lob to force a position change. Key tactics:

Doubles Scoring

Doubles uses the same scoring system as singles (games → sets → match), but with one important difference: the deciding set at Grand Slams and major events is often played as a Match Tiebreak (also called a Super Tiebreak or Champions Tiebreak) to 10 points instead of a full third set. Club and recreational doubles frequently use this format for time management.

FormatScoringCommon In
Best of 3 (full sets)First to 2 sets; tiebreak at 6-6Most club, WTA/ATP doubles
Pro SetFirst to 8 games wins (tiebreak at 8-8)Recreational, warm-up sets
Match TiebreakThird set replaced by 10-point tiebreakGrand Slam doubles, mixed doubles
No-Ad scoringFirst player to 40 wins the game (receiver chooses side)Recreational, some tournaments

Quick Doubles Tips

Frequently Asked Questions

Where should I stand when my partner is serving in doubles?

The non-serving partner stands at the net, positioned at the service line or slightly inside, roughly in the centre of their half of the court. Your job is to intercept any weak return, cover the down-the-line angle, and put pressure on the returner. Stay alert and move with your partner's serve direction.

What is poaching in doubles and when should I do it?

Poaching means crossing to intercept a ball aimed at your partner. You do it when you read the return direction early and can cut off the ball at the net for a winner. Signal your partner beforehand with a hand signal (index finger pointing = poach; closed fist = stay). Good poaching times: when the serve pulls the returner wide and you anticipate a crosscourt return.

What is the I-formation in doubles?

In the I-formation, the net player crouches in the centre of the net (on the centre line) rather than on their side, while the server decides secretly whether to go left or right after serving. The net player jumps to their agreed side after the serve, creating confusion for the returner who cannot predict which angle to target.

How should partners communicate during a doubles match?

Communication is continuous. Before each point: the net player signals whether they will poach and which direction the server should aim. After points: brief acknowledgment and reset. During changeovers: discuss patterns, identify which opponent is weaker, and adjust formations. Clear, positive communication is a significant tactical advantage.

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