Padel knockout brackets: how many teams, courts, and hours?

You've got a padel club with 2 or 4 courts. Someone on the tournament committee says "let's do a knockout." Next thing you know you're with a calculator wondering if it fits in one evening, whether you've gone too small or too big, and what you do when 14 teams show up instead of 16.

This article is the cheat sheet we wish someone gave us when we started. Short tables, simple math, and a few rules that save you from a tournament running past midnight. Works for the One Point Challenge, classic best-of-3 sets, and everything in between.

Bracket math in one table

Single-elimination knockouts run on powers of two. Here are the numbers you need:

Bracket math per field size:

• 4 teams: 2 rounds, 3 matches, 0 byes (exact).
• 8 teams: 3 rounds, 7 matches, 0 byes.
• 16 teams: 4 rounds, 15 matches, 0 byes.
• 32 teams: 5 rounds, 31 matches, 0 byes.
• 64 teams: 6 rounds, 63 matches, 0 byes.
• 128 teams: 7 rounds, 127 matches, 0 byes.
• 256 teams: 8 rounds, 255 matches, 0 byes.
• 5–7 teams: 3 rounds, 4–6 matches, 1–3 byes (top seeds auto-advance).
• 9–15 teams: 4 rounds, 8–14 matches, 1–7 byes.
• 17–31 teams: 5 rounds, 16–30 matches, 1–15 byes.

Rule of thumb: match count = teams - 1. For 16 teams: 15 matches. For 13 teams: 12 matches (3 byes for the top 3, 4 R1 matches for the other 10). Simple.

For an OPC with a second-chance bracket: add ~50% more matches (R1 losers play each other). So 16 teams + second chance = 15 + 7 + 1 crossover = 23 matches. Not 30.

How many courts do you need?

Depends on two things: how long a match takes, and how many matches per round you can run in parallel.

For the One Point Challenge

Match lasts 30 sec – 2 min. Plan on 1.5 min including changeover. R1 of a 16-team bracket = 8 matches. On:

• 1 court: 8 × 1.5 = 12 minutes
• 2 courts: 6 minutes
• 4 courts: 3 minutes

Practically: 2 courts are plenty for a 16-team OPC. For 32 teams: 2 courts still work (R1 = 12 min); 4 courts halve total wall-clock time.

For classic knockout (best-of-3 sets)

Match lasts 45–75 min. R1 of a 16-team bracket = 8 matches. On:

• 1 court: 8 × 60 min = 8 hours (impossible in one session)
• 2 courts: 4 hours
• 4 courts: 2 hours
• 8 courts: 1 hour

For a serious knockout tournament you need at least 4 courts for 16 teams, or split across multiple sessions.

The ratio that always works

Courts ≥ R1 matches ÷ (target round-duration ÷ match-duration).

For an OPC where you want each round under 10 min: courts ≥ matches ÷ (10 / 1.5) ≈ matches / 6.7. For 8 matches: ≥ 1.2 courts. Two courts is plenty.

How long does it take?

A bracket has log₂(teams) rounds. So:

• 4 teams: 2 rounds
• 8 teams: 3
• 16: 4
• 32: 5
• 64: 6
• 128: 7
• 256: 8

Between rounds you lose time to changeover, water, scoring. Allow 5 min overhead per round.

OPC time estimates

OPC time estimates per scenario (total = incl. warm-up + final pause):

• 8 teams, 1 court: main ~12 min · with second chance ~20 min · total ~45 min.
• 8 teams, 2 courts: ~7 min · ~12 min · total ~30 min.
• 16 teams, 2 courts: ~25 min · ~45 min · total ~75 min.
• 16 teams, 4 courts: ~13 min · ~25 min · total ~50 min.
• 32 teams, 2 courts: ~55 min · ~90 min · total ~120 min.
• 32 teams, 4 courts: ~28 min · ~50 min · total ~80 min.
• 64 teams, 4 courts: ~60 min · ~100 min · total ~140 min.
• 256 teams, 4 courts: ~270 min · ~450 min · total ~9 hours (Peakz scale).

Classic best-of-3 estimates

Classic best-of-3 wall-clock times:

• 8 teams on 2 courts: ~4 hours.
• 8 teams on 4 courts: ~2 hours.
• 16 teams on 4 courts: ~4 hours.
• 16 teams on 8 courts: ~2 hours.
• 32 teams on 8 courts: ~4 hours (half day).

What if your team count isn't a power of 2?

Say you have 12 teams. What do you do?

Option A: byes for top seeds. Play in a 16-team bracket. The top 4 seeds (by rating, or randomly drawn) get an R1 bye — auto-advance. The other 8 teams play 4 R1 matches. From R2 everyone's in. This is standard and what Rallyo does automatically.

Option B: qualification round. Play a "round 0" where the surplus teams (12-8=4) play each other for 2 spots in an 8-team bracket. Slightly faster than A, slightly more confusing for players.

Option C: round-robin pools + knockout. Split 12 teams into 3 pools of 4 round-robin (Americano-style). Top 2 of each pool + 2 best-of-the-rest = 8 teams into the knockout. Good half-day format, too long for an evening.

For an evening OPC: go with option A. Fast, simple, everyone gets it.

Courts vs. players vs. time: the magic ratio

Base formula:

Matches per round × match duration ÷ courts = round duration

Plus 5 min overhead per round. Times number of rounds.

For a 16-team OPC on 2 courts:

• R1: 8 × 1.5 / 2 = 6 min + 5 = 11 min
• R2: 4 × 1.5 / 2 = 3 + 5 = 8 min
• R3: 2 × 1.5 / 2 = 1.5 + 5 = 6 min
• R4 (final): 1 × 1.5 = 1.5 + 5 = 6 min
• Total main: ~31 min

With second chance (~7 extra matches + crossover during R2–R4):

• Inflate by ~1.5 → ~45 min

Plus 15 min warm-up + 10 min final pause = ~70 min total for 16 teams on 2 courts. Matches our table above.

What if courts suddenly drop?

A court breaks, a court gets double-booked — it happens.

For OPC: no drama. Matches take minutes. Total time inflates by (old courts / new courts). Two courts down to one → total doubles. Acceptable if you have 30 min of slack.

For classic best-of-3: a problem. Four courts down to two → 4 hours becomes 8 hours. Not doable in one session. Scale the tournament down (16 → 8 teams) or split across two days.

This is part of why the One Point Challenge is gaining popularity at clubs with tight court availability: the format is robust to logistical surprises.

Keeping players engaged: the social problem

Every knockout has the same issue: someone loses R1 and sits on the bench. At 16 teams that's 8 teams = 16 players, sometimes for 2 hours. Three fixes:

1. Second-chance bracket. R1 losers play a second knockout. Described in our cornerstone guide. Best solution for OPC by far.
2. Side events. Free play on spare courts, racket testing, a quick mini-Americano. Needs spare courts and organization.
3. Bar / social program. Not sporting, but works. Many clubs pair an OPC with a social night, BBQ, awards including loser-prizes.

Best practice: combine all three. Second chance keeps ~80% of dropouts active; the rest go to the bar or a side event.

A handy bracket tool

If you don't want to do this math: in Rallyo you build a knockout bracket with any team count (3 through 256+) in 30 seconds. The app fills byes automatically, supports seeding by rating or random, and has the second-chance bracket as an optional toggle.

Open the bracket tool in Rallyo →

For offline tools: Bracket Maker and Tournify both have free online bracket generators. Functionally fine, but you'll track scoring yourself — at 23 matches in 70 minutes for an OPC that becomes a challenge.

FAQ

What's the minimum size for a serious knockout? 8 teams. Below that it feels like a friendly (3 matches total). 8 teams = 3 rounds = "real tournament".

Maximum size for an evening? Depends on courts and format. For OPC: 32 teams on 4 courts fits in 90 min. For classic best-of-3: 8 teams on 4 courts fits in 2 hours.

Can I give byes to random teams instead of top seeds? You can, but it feels arbitrary and unfair to lower-seeded teams who do have to play R1. Standard: byes for top seeds. For random draws: random byes (Rallyo does this automatically).

How long does a match actually take in each format?

• One Point Challenge: 30 sec – 2 min (median ~1 min)
• First-to-3-points OPC: 3–8 min
• First-to-12-points Americano: 8–15 min (avg 12)
• Best-of-3 sets, no tiebreak: 45–90 min (avg 60)
• Best-of-3 with super-tiebreak: 35–75 min

What if I forget to book a court? Run an OPC. The format forgives logistical mistakes because matches are so short you can catch up on a single court.

Picking the right format for your evening comes first. Then let Rallyo generate the knockout bracket, and everything above happens without a calculator. Try Rallyo free →