Pickleball Round Robin for 21 Players on 1 court
For 21 players on 1 court, play 8 rounds of rotating-partner doubles: 4 play and 17 sit out each round. Everyone plays 1 or 2 games and sits out 6 or 7 times, with no repeat partners, in about 2 h with games to 11.
Pickleball Round Robin for 21 Players on 1 court · www.elcodev.com/apps/paddlerack/round-robin/21-players-1-court
Everyone plays 1 or 2 games · zero repeat partners
The schedule: 8 rounds
Give each player a number from 1 to 21 (write names in the key when you print). Each row is one round; each cell is one game, partners joined by "&". Times assume games to 11.
| Round | Court 1 | Sitting out |
|---|---|---|
| 1 0 min | 13 & 2 vs 12 & 10____ : ____ | 1, 3, 4, 5, 6, 7, 8, 9, 11, 14, 15, 16, 17, 18, 19, 20, 21 |
| 2 15 min | 8 & 9 vs 5 & 19____ : ____ | 1, 2, 3, 4, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21 |
| 3 30 min | 7 & 21 vs 11 & 3____ : ____ | 1, 2, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20 |
| 4 45 min | 15 & 14 vs 17 & 16____ : ____ | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21 |
| 5 60 min | 20 & 18 vs 4 & 1____ : ____ | 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21 |
| 6 75 min | 2 & 6 vs 19 & 9____ : ____ | 1, 3, 4, 5, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21 |
| 7 90 min | 17 & 1 vs 11 & 21____ : ____ | 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20 |
| 8 105 min | 15 & 20 vs 14 & 7____ : ____ | 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 16, 17, 18, 19, 21 |
Name key
Sit-out distribution
17 of 21 players sit each round, so each player sits about 1 round in 1.2. Over 8 rounds that's 136 sit-outs shared 21 ways: everyone sits 6 or 7 times. Who sits:
- Round 1: 1, 3, 4, 5, 6, 7, 8, 9, 11, 14, 15, 16, 17, 18, 19, 20, 21
- Round 2: 1, 2, 3, 4, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21
- Round 3: 1, 2, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20
- Round 4: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
- Round 5: 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21
- Round 6: 1, 3, 4, 5, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21
- Round 7: 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20
- Round 8: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 16, 17, 18, 19, 21
| Player | Games | Sit-outs | Different partners |
|---|---|---|---|
| 1 | 2 | 6 | 2 |
| 2 | 2 | 6 | 2 |
| 3 | 1 | 7 | 1 |
| 4 | 1 | 7 | 1 |
| 5 | 1 | 7 | 1 |
| 6 | 1 | 7 | 1 |
| 7 | 2 | 6 | 2 |
| 8 | 1 | 7 | 1 |
| 9 | 2 | 6 | 2 |
| 10 | 1 | 7 | 1 |
| 11 | 2 | 6 | 2 |
| 12 | 1 | 7 | 1 |
| 13 | 1 | 7 | 1 |
| 14 | 2 | 6 | 2 |
| 15 | 2 | 6 | 2 |
| 16 | 1 | 7 | 1 |
| 17 | 2 | 6 | 2 |
| 18 | 1 | 7 | 1 |
| 19 | 2 | 6 | 2 |
| 20 | 2 | 6 | 2 |
| 21 | 2 | 6 | 2 |
How long it takes
Rec doubles to 11 with side-out scoring runs about 13 minutes plus a couple of minutes to rotate. Your group may be faster or slower; the court time guide shows how to estimate it.
| Format | Per round | 8 rounds |
|---|---|---|
| Games to 11 | 15 min | 2 h |
| Games to 15 | 20 min | 2 h 40 min |
| Games to 21 | 27 min | 3 h 36 min |
In a 2-hour booking (8 rounds to 11), each player gets about 1–2 games.
Tips for 21 players on 1 court
More people wait than play. With 17 sitting and 4 playing, each player is on court only 19% of the time. Shorten games (to 7, or a 10-minute timed game), add a court if you can (21 players on 2 courts), or switch to a paddle-stack style open play where the next four go on as soon as a court frees up. See games per hour for the math.
One more court? On 2 courts, only 13 sit out and each player gets about 3 games in two hours instead of 1.5. See the 21-player, 2-court schedule.
Odd number? That's fine for a rotating-partner round robin: partners change every round, so nobody needs a permanent partner. For fixed teams you'd need an even count.
Frequently asked questions
How many rounds should 21 players play on 1 court?
Plan 8 rounds, about 2 h with games to 11. A complete partner cycle (everyone partners everyone) would take about 105 rounds, roughly 26 h 15 min, so most groups stop at 8 rounds (2 hours).
How many players sit out each round with 21 players on 1 court?
17 players sit out each round, because 1 court holds 4. A fair rotation spreads it so each player sits about 1 round in 1.2 and no one sits twice before everyone has sat once.
Will everyone partner with everyone?
Not in 8 rounds. Each player plays 1 or 2 games, so they partner 1+ different people out of 20 possible, with no repeats. Partnering everyone would take about 105 rounds.
How long does a 21-player round robin on 1 court take?
About 2 h for 8 rounds to 11 points (side-out scoring, roughly 15 minutes per round including changeover), 2 h 40 min to 15, or 3 h 36 min to 21. Rally scoring is faster.
What if someone arrives late or leaves early?
A printed schedule can't adapt, so you'd regenerate it for the new count (the free generator takes seconds). The Paddle Rack app handles it live: late arrivals join with a fair games count and early leavers drop out without breaking the rotation.
Other group sizes
20 players, 1 court · 22 players, 1 court · 21 players, 2 courts · all court options for 21 players · every schedule
Schedule generated by the Paddle Rack rotation (the same engine as the app); fairness counted independently. How the rotation works.