Law 27: Correcting Errors

As a principle, every point played before the error was found stands.

Source: ITF Rules of Tennis 2026, Rule 27 · recall

The error is put right at once, according to the score.

Source: ITF Rules of Tennis 2026, Rule 27a · applied

A fault served from the wrong half stays on the record.

Source: ITF Rules of Tennis 2026, Rule 27a · applied

Unlike the wrong half, a fault served from the wrong end is cancelled.

Source: ITF Rules of Tennis 2026, Rule 27b · applied

The correct server serves as soon as the error is found.

Source: ITF Rules of Tennis 2026, Rule 27c · applied

Once a game is complete, the altered order is kept.

Source: ITF Rules of Tennis 2026, Rule 27c · applied

The ball change shifts by one game to keep the balls fair.

Source: ITF Rules of Tennis 2026, Rule 27c · recall

Nothing is replayed; the position is put right for the next point.

Source: ITF Rules of Tennis 2026, Rule 27a · applied

The first two keep the fault; at the wrong ends it is cancelled.

Source: ITF Rules of Tennis 2026, Rule 27 · applied

The fault stands, so it is a second serve, and it comes from the correct half.

Source: ITF Rules of Tennis 2026, Rule 27a · applied

After an even number of points the correct order is restored.

Source: ITF Rules of Tennis 2026, Rule 27d · applied

After an odd number of points the altered order is kept.

Source: ITF Rules of Tennis 2026, Rule 27d · applied

The altered order lasts to the end of that game.

Source: ITF Rules of Tennis 2026, Rule 27e · applied

With just one point played, the agreed format is restored.

Source: ITF Rules of Tennis 2026, Rule 27f · applied

Past the second point, the tie-break stands.

Source: ITF Rules of Tennis 2026, Rule 27f · applied

The set runs as an advantage set until 8 games all (or a higher even score), when a tie-break is played.

Source: ITF Rules of Tennis 2026, Rule 27g · applied

They return to the original order in their next receiving game.

Source: ITF Rules of Tennis 2026, Rule 27e · recall

Only after a single point can the advantage set be restored.

Source: ITF Rules of Tennis 2026, Rule 27f · applied

The correction waits for the team's next receiving game.

Source: ITF Rules of Tennis 2026, Rule 27e · applied

Five points have gone, so the new order carries on.

Source: ITF Rules of Tennis 2026, Rule 27d · applied

With one point played, the match tie-break is restored.

Source: ITF Rules of Tennis 2026, Rule 27h · applied

The set runs on until someone wins three games, or reaches 2-2, when the match tie-break is played.

Source: ITF Rules of Tennis 2026, Rule 27h · applied

That late, the full set stands.

Source: ITF Rules of Tennis 2026, Rule 27h · applied

The correction waits for the right server's next service game.

Source: ITF Rules of Tennis 2026, Rule 27i · recall

The original number of games between changes is restored.

Source: ITF Rules of Tennis 2026, Rule 27i · recall

Balls are never changed mid-game.

Source: ITF Rules of Tennis 2026, Rule 27i · recall

In singles, a fault served by the player who was wrongly serving, before anyone noticed the error, is wiped out when the error is found.

Source: ITF Rules of Tennis 2026, Rule 27c · applied

The later the error is found, the more of the full set stands.

Source: ITF Rules of Tennis 2026, Rule 27h · applied

The fix waits for the right game, then the interval resets.

Source: ITF Rules of Tennis 2026, Rule 27i · applied

At 2-2 in that situation, the match tie-break is played.

Source: ITF Rules of Tennis 2026, Rule 27h · applied