The format you pick shapes the whole event: how many matches each player gets, how long it runs, and how it feels to lose. This guide explains the main table tennis tournament formats, what each one is good and bad at, and how to choose between them.
If you want to run a night from start to finish, the step-by-step guide covers that. This page goes deeper on the formats themselves.
Round-robin (everyone plays everyone)
In a round-robin, every player plays every other player once. Final standings come from match wins, with head-to-head results or game ratio breaking any ties.
It is the fairest format, because nobody goes out on a single bad result and the table time is predictable. The catch is the match count: it grows fast. The formula is n times (n minus 1), divided by 2, where n is the number of players.
- Best for: small fields (up to about eight), leagues, and anyone who wants the most playing time per person.
- Watch out: 8 players is 28 matches; 16 players is 120. Beyond eight or so it runs too long, which is exactly why groups exist (below).
Groups, then knockout
Split the field into small groups (usually three or four players), play a round-robin inside each group, then send the top one or two from each group into a knockout bracket. This is the most popular club format, and for good reason.
It keeps the fairness of a round-robin, since everyone gets several matches in the group stage, but caps the total match count and still ends in a single, dramatic final.
- Best for: club nights and most events from 8 to 64 players.
- Tune it: bigger groups mean more matches and more fairness; smaller groups mean a faster night and a larger knockout.
Single-elimination knockout
Lose once and you are out. A field of n plays n minus 1 matches in total, so it is the fastest way to crown a winner.
The downside is obvious: half the field is finished after one match. If your field is not a power of two (8, 16, 32), some players get a bye through the first round, normally the top seeds.
- Best for: large fields, tight schedules, or the knockout phase after groups.
- Watch out: a consolation (or 'plate') bracket for first-round losers keeps people playing when a pure knockout would send too many home early.
Ladder
A ladder is an ongoing format rather than a one-night event. Players hold a ranking and climb by challenging and beating those above them, over weeks or a whole season.
It suits a club that wants continuous, low-pressure competition between sessions instead of a single bracket on the night.
- Best for: ongoing club play, casual leagues, and keeping members engaged between events.
Doubles
Doubles is not a separate bracket type but a variation: any of the formats above, played by pairs instead of individuals, with partners alternating every shot.
It is a good leveller for mixed-ability groups, since you can pair a stronger player with a weaker one, and it adds a social, team feel to the night.
- Best for: social events, mixed-ability fields, and adding variety alongside a singles event.
How to choose
Match the format to two things: how many players you have, and how much time.
- Up to 8 players, plenty of time: a single round-robin, so everyone plays everyone.
- 8 to 32 players, one evening: groups into a knockout, the club default.
- Large field or a tight schedule: straight knockout, ideally with a consolation bracket.
- Ongoing club play rather than one night: a ladder.
- Mixed abilities or a social mood: run it as doubles.
Common questions
What is the fairest table tennis tournament format?
A round-robin, where everyone plays everyone. No one is knocked out by a single result, and the final standings reflect the whole field. The trade-off is time: it only stays practical up to about eight players, after which groups give you most of the fairness in far less time.
What format is best for 16 players?
Groups into a knockout. Four groups of four (a round-robin in each), with the top two from each group advancing to an eight-player knockout, gives everyone several matches and still builds to a final, all in roughly two and a half to three hours on four tables.
How many matches are in a round-robin?
n times (n minus 1), divided by 2, where n is the number of players. So 6 players is 15 matches, 8 is 28, and 16 is 120. That steep growth is why large fields use groups instead of one big round-robin.
Round-robin or knockout?
Round-robin for fairness and playing time with small fields; knockout for speed with large ones. Most club events combine them: groups (a round-robin) first, then a knockout between the qualifiers.
Can you combine formats?
Yes, and the best events usually do. The standard combination is a group stage (round-robin) followed by a single-elimination knockout, which balances fair playing time against a clean, dramatic finish.