Brackets / Double round robin / 9 teams
9-team double round robin schedule
72 games over 18 rounds. One team rests each round.
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The shape of a 9-team double round robin
9 teams make 36 pairings; played twice that is 72 games. With 9 teams, one team has no opponent each round, so 4 games run at a time over 18 rounds and each team rests twice.
Round 1 is 2 v 9, 8 v 3, 4 v 7, 6 v 5. Team 1 rests first.
Who plays whom, and when
The top teams meet 1 v 2 in round 6 and round 15, 1 v 3 in round 2 and round 11 and 2 v 3 in round 7 and round 16. The last round is 8 v 1, 2 v 7, 6 v 3, 4 v 5.
Home games: every team has exactly 8.
How long it takes
At 30 minutes a game, 72 games take 36 h of court time. A round has 4 games, so 4 courts play a round together and finish in 9 h; on 2 courts it takes 18 h. Rank teams as set out in the tiebreaker guide.
If your field changes
Dropping to 8 teams gives 16 fewer games, and 4 rounds shorter. Going up to 10 teams gives 18 more games, in the same number of rounds. Teams drop out the week before more often than they join, so print one sheet for the next size down.
Every game in order
| Round | Game | Team A | Team B |
|---|---|---|---|
| 1 | Game 1 | Team 2 | Team 9 |
| 1 | Game 2 | Team 8 | Team 3 |
| 1 | Game 3 | Team 4 | Team 7 |
| 1 | Game 4 | Team 6 | Team 5 |
| 2 | Game 1 | Team 3 | Team 1 |
| 2 | Game 2 | Team 9 | Team 4 |
| 2 | Game 3 | Team 5 | Team 8 |
| 2 | Game 4 | Team 7 | Team 6 |
| 3 | Game 1 | Team 4 | Team 2 |
| 3 | Game 2 | Team 1 | Team 5 |
| 3 | Game 3 | Team 6 | Team 9 |
| 3 | Game 4 | Team 8 | Team 7 |
| 4 | Game 1 | Team 5 | Team 3 |
| 4 | Game 2 | Team 2 | Team 6 |
| 4 | Game 3 | Team 7 | Team 1 |
| 4 | Game 4 | Team 9 | Team 8 |
| 5 | Game 1 | Team 6 | Team 4 |
| 5 | Game 2 | Team 3 | Team 7 |
| 5 | Game 3 | Team 8 | Team 2 |
| 5 | Game 4 | Team 1 | Team 9 |
| 6 | Game 1 | Team 7 | Team 5 |
| 6 | Game 2 | Team 4 | Team 8 |
| 6 | Game 3 | Team 9 | Team 3 |
| 6 | Game 4 | Team 2 | Team 1 |
| 7 | Game 1 | Team 8 | Team 6 |
| 7 | Game 2 | Team 5 | Team 9 |
| 7 | Game 3 | Team 1 | Team 4 |
| 7 | Game 4 | Team 3 | Team 2 |
| 8 | Game 1 | Team 9 | Team 7 |
| 8 | Game 2 | Team 6 | Team 1 |
| 8 | Game 3 | Team 2 | Team 5 |
| 8 | Game 4 | Team 4 | Team 3 |
| 9 | Game 1 | Team 1 | Team 8 |
| 9 | Game 2 | Team 7 | Team 2 |
| 9 | Game 3 | Team 3 | Team 6 |
| 9 | Game 4 | Team 5 | Team 4 |
| 10 | Game 1 | Team 9 | Team 2 |
| 10 | Game 2 | Team 3 | Team 8 |
| 10 | Game 3 | Team 7 | Team 4 |
| 10 | Game 4 | Team 5 | Team 6 |
| 11 | Game 1 | Team 1 | Team 3 |
| 11 | Game 2 | Team 4 | Team 9 |
| 11 | Game 3 | Team 8 | Team 5 |
| 11 | Game 4 | Team 6 | Team 7 |
| 12 | Game 1 | Team 2 | Team 4 |
| 12 | Game 2 | Team 5 | Team 1 |
| 12 | Game 3 | Team 9 | Team 6 |
| 12 | Game 4 | Team 7 | Team 8 |
| 13 | Game 1 | Team 3 | Team 5 |
| 13 | Game 2 | Team 6 | Team 2 |
| 13 | Game 3 | Team 1 | Team 7 |
| 13 | Game 4 | Team 8 | Team 9 |
| 14 | Game 1 | Team 4 | Team 6 |
| 14 | Game 2 | Team 7 | Team 3 |
| 14 | Game 3 | Team 2 | Team 8 |
| 14 | Game 4 | Team 9 | Team 1 |
| 15 | Game 1 | Team 5 | Team 7 |
| 15 | Game 2 | Team 8 | Team 4 |
| 15 | Game 3 | Team 3 | Team 9 |
| 15 | Game 4 | Team 1 | Team 2 |
| 16 | Game 1 | Team 6 | Team 8 |
| 16 | Game 2 | Team 9 | Team 5 |
| 16 | Game 3 | Team 4 | Team 1 |
| 16 | Game 4 | Team 2 | Team 3 |
| 17 | Game 1 | Team 7 | Team 9 |
| 17 | Game 2 | Team 1 | Team 6 |
| 17 | Game 3 | Team 5 | Team 2 |
| 17 | Game 4 | Team 3 | Team 4 |
| 18 | Game 1 | Team 8 | Team 1 |
| 18 | Game 2 | Team 2 | Team 7 |
| 18 | Game 3 | Team 6 | Team 3 |
| 18 | Game 4 | Team 4 | Team 5 |
Questions
How many games are in a 9-team double round robin?
72. Each team plays 16.
How many rounds does a 9-team double round robin have?
18, because one of the 9 teams rests in every round.
What do I do with 9 teams, an odd number?
The schedule gives one team a rest each round. Use the rest to rotate referees or scorekeepers.
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