Free Badminton scoreboard

Why score Badminton with ScoreZen

• ✓One-tap scoring, built for Badminton
• ✓Share the live score by QR code or link
• ✓Free for spectators — no app to install to watch
• ✓Keeps working if the connection drops
• ✓34 sports, tournaments and standings included

How Badminton scoring works

Badminton uses rally-point scoring: a point is awarded on every rally won, whether or not you served. The side winning the rally scores the point and gains (or keeps) the serve. In the current system a game is played to 21 points; at 20-20 a 2-point lead is required, and at 29-29 the next point (the 30th) ends the game.

Match format

Current official format: best of 3 games (2 games to win), each game to 21 points. Note: from 4 January 2027 the BWF switches to the "3x15" system (games to 15 points, extension at 14-14, cap at 21). Recreational formats may vary (games to 11, 15 or 21 by agreement).

How to win

A player or pair wins the match by taking 2 games. Each game is won by the first to reach the target score (currently 21, 15 from 2027) by the required margin, within the cap.

Recommended ScoreZen setup

Set up badminton with set-based scoring: the "Official" preset = best of 3 games, target 21 points per game, win by 2 (the game continues until a 2-point lead is reached, up to the 30-point cap: at 29-29, the next point wins the game). The Casual preset plays a single game, and Custom mode lets you set the points target per game, the number of games to win and the margin.

How badminton scoring works, rally by rally

Badminton runs on rally scoring. Every rally is worth a point, whether you served it or not. A match is the best of three games. A game goes to 21 points. Win two games and the match is over.

From 20-all you need a two-point gap. 22-20 wins the game, 21-20 does not. 25-23 wins, 24-23 does not. There is one hard ceiling: at 29-all, the next point takes the game 30-29. No game goes past 30.

The side that wins a game serves first in the next one. Players change ends after game one, after game two if a third is needed, and during game three the moment one side reaches 11 points. A 60-second break happens in every game when the leading score hits 11. Between games you get 120 seconds.

Where you serve from depends on your own score. Even score (0, 2, 4 and so on), you serve from the right box. Odd score, from the left. The receiver stands diagonally opposite. When you call the score out loud, the server's score always comes first.

One date worth writing down: on 4 January 2027 the standard becomes best of three games to 15, with a two-point lead from 14-all, a ceiling at 21, and the break and change of ends at 8 points. The 21-point format stays an approved option for domestic competitions. (Badminton World Federation, Laws of Badminton, Laws 7, 8 and 16.2; amendment adopted 25 April 2026.)

The scoring mistakes that wreck a badminton match

Most badminton scoring errors start in the same place: the service box. Your side's score decides the box. Even, right. Odd, left. So a wrong score puts players in the wrong box, and a player standing in the wrong box is usually the first clue that the score is wrong. Check the boxes and you check the score.

In doubles, the serve does not alternate between partners. The same player keeps serving as long as their side wins rallies, swapping boxes with their partner after each point. The receiving pair never swap boxes. They only change when they win a point on their own serve. Get this wrong and the whole rotation drifts.

If you spot a service court error three rallies later, do not replay anything. The Laws are clear: fix the position when the shuttle is out of play, and the existing score stands.

Do not count a let as a point. Shuttle caught on top of the net after the return, server serving before the receiver was ready, shuttle base coming apart: you replay the rally and nobody scores.

Two last traps. Calling the receiver's score first confuses everyone, so always say the server's score first. And write each game down as it ends, 21-18, 19-21, 21-15, not just a bare 2-1. A league table often needs the point difference.

Keeping score on match day

In club and league badminton there is usually no umpire. The players count. That works on one condition: the server calls the score out loud before every single serve, own score first. It takes a second and it settles most arguments before they start.

If someone is keeping score from the side, sit level with the net, on the side line. From there you see both service boxes and both service lines. Never sit behind the baseline: from that angle you cannot judge the service courts and you lose the rotation.

When the score is contested, do not argue about the last rally. Go back to the last score both sides agree on and replay from there. Agree on that rule before the first serve, and at 19-all nobody feels cheated.

Show the score. A flip board on the post works. A phone or tablet propped against the post works better, because players can read it from the baseline. In a hall with several courts, one shared screen showing every court saves the organiser a lot of walking.

Write it down as you go, not at the end. Note the game score the second the game ends, note the change of ends in game three, and note the names as they are spelled on the entry form. A scoresheet filled in an hour later is a scoresheet nobody trusts.

What ScoreZen changes for badminton

You score with one thumb, court-side. Set the match up as a best-of-three or best-of-five series, tap the winner of the rally, and the score updates for everyone watching.

The link and the QR code are the real change. Tape a QR code to the net post. Parents, partners and grandparents scan it and follow the score live, from the bench or from another country. Spectators are free, unlimited, and never need an account. In a hall with two rows of benches, that matters.

For a club night across six courts, let the players score themselves. One QR code covers the whole evening: each pair scans it, finds their own court and enters their own rallies. One organiser, six courts, nobody running between them.

For a club tournament, pick the format that fits your slot: knockout, league, groups, Swiss system, best-of-3 or best-of-5 series, or rotating pairs for a mixed americano evening.

The rest is there when you need it. Full-screen TV mode for the hall screen. A transparent overlay for OBS if you stream the final. A printable A4 scoresheet as a paper backup. CSV export and a public API for the club secretary. A replay and a story to share afterwards. An iframe widget for the club site. It keeps counting when the gym has no signal and syncs afterwards, and it speaks 25 languages.

Spectators are always free. You get three trial matches for life, then it is €1.99 once, for life.

Frequently asked questions