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21-Player Pickleball Round Robin on 4 Courts
A ready-to-play rotating-partners schedule for 21 players on 4 courts. 5 players sit out each round, spread evenly, partners never repeat, and games stay within one of each other.
The full schedule
Players are numbered 1–21. Write names next to numbers before you start.
| Round | Court 1 | Court 2 | Court 3 | Court 4 | Sit out |
|---|---|---|---|---|---|
| 1 | 1 & 2 vs 11 & 13 | 16 & 18 vs 21 & 15 | 6 & 14 vs 4 & 5 | 3 & 10 vs 19 & 7 | 8, 9, 12, 17, 20 |
| 2 | 1 & 8 vs 12 & 20 | 18 & 5 vs 17 & 4 | 6 & 9 vs 15 & 7 | 19 & 14 vs 21 & 2 | 3, 10, 11, 13, 16 |
| 3 | 15 & 16 vs 4 & 14 | 3 & 12 vs 9 & 2 | 11 & 6 vs 8 & 20 | 13 & 17 vs 21 & 10 | 1, 5, 7, 18, 19 |
| 4 | 12 & 11 vs 17 & 18 | 10 & 13 vs 8 & 15 | 19 & 3 vs 16 & 5 | 7 & 9 vs 20 & 1 | 2, 4, 6, 14, 21 |
| 5 | 16 & 4 vs 7 & 17 | 10 & 1 vs 3 & 14 | 21 & 18 vs 2 & 5 | 13 & 6 vs 19 & 11 | 8, 9, 12, 15, 20 |
| 6 | 20 & 6 vs 2 & 3 | 4 & 7 vs 21 & 19 | 1 & 9 vs 8 & 18 | 5 & 12 vs 14 & 15 | 10, 11, 13, 16, 17 |
| 7 | 20 & 7 vs 13 & 15 | 16 & 14 vs 11 & 9 | 2 & 8 vs 17 & 21 | 6 & 4 vs 12 & 10 | 1, 3, 5, 18, 19 |
| 8 | 13 & 1 vs 4 & 9 | 5 & 10 vs 16 & 11 | 15 & 3 vs 8 & 17 | 12 & 18 vs 19 & 20 | 2, 6, 7, 14, 21 |
| 9 | 19 & 16 vs 1 & 11 | 17 & 3 vs 14 & 13 | 2 & 18 vs 6 & 7 | 21 & 5 vs 8 & 10 | 4, 9, 12, 15, 20 |
| 10 | 19 & 1 vs 5 & 15 | 20 & 2 vs 18 & 4 | 12 & 17 vs 3 & 7 | 6 & 21 vs 14 & 9 | 8, 10, 11, 13, 16 |
| 11 | 12 & 15 vs 14 & 2 | 10 & 19 vs 20 & 9 | 11 & 7 vs 4 & 21 | 16 & 6 vs 13 & 8 | 1, 3, 5, 17, 18 |
| 12 | 18 & 7 vs 8 & 3 | 12 & 1 vs 15 & 10 | 4 & 11 vs 9 & 17 | 20 & 5 vs 13 & 16 | 2, 6, 14, 19, 21 |
0 partner repeats and 24 opponent repeats across 12 rounds. Highlighted rows are even stops — everyone has played the same number of games.
How the math works
Players per round
4 courts × 4 players = 16 on court each round, so 5 sit out. Sit-outs rotate so nobody sits twice before everyone has sat once.
Even stops
21 players on 4 courts never line up perfectly, so games per player differ by at most one.
Time estimate
Rally scoring to 11 takes about 12 minutes plus 2 minutes to rotate. 12 rounds ≈ 2h 48m. Side-out scoring adds about 30%.
21 players, 4 courts: common questions
How many rounds for 21 players on 4 courts?
Play as many rounds as time allows — games per player never differ by more than one.
How long does a 21-player round robin take?
About 1h 24m for 6 rounds of rally scoring to 11, including changeovers.
How many players sit out each round?
5 players sit out each round. Use sit-out time to keep score or run the timer.
Can I use real names instead of numbers?
Yes. Tap “Customize with your names” and the generator opens pre-filled. Paste your list and share a link or QR code so players can find their court.