Tennis box league rules

Box size and round length

Players are grouped into boxes of four to six, and everyone plays everyone else in their box once during the round. Box 1 is the top box, and each box below it is the next group down. Players arrange their own matches inside the deadline the club sets.

The box size decides how much tennis each player gets, and that decides how long the round needs to be.

Boxes of five are the sweet spot. Four matches is enough tennis to separate players honestly and few enough that most people finish. Boxes of three give too little tennis, and boxes of seven or more rarely complete.

You need about twelve players before promotion and relegation mean anything, which is three boxes of four. Below that, run a single round robin and add boxes when the numbers arrive.

ClubChamps allows three to eight players per box and rounds of two to sixteen weeks, and it re-forms every box automatically when a round ends. If the shape of the format is new to you, how a box league works covers it before the rules.

Make a draw now with the free draw generator, which splits a pasted list into boxes the way ClubChamps does.

Match format

Pick one match format for the whole league. Points only mean the same thing in every box if every match is played to the same length.

Players supply their own balls unless the club provides them. The winner enters the score and the loser confirms it, and ClubChamps confirms automatically after one day if the loser does nothing.

One-off events are a different problem, because a knockout has to finish on the day rather than over a round. How to run a tennis club tournament covers those.

Points systems

Points set the box order, so the system you choose sets what players optimise for. Four systems cover almost every club league.

Use 3-1 unless you have a reason not to. The loser still gains a point, so both players want the match played rather than quietly dropped. A walkover win is also worth less than a played win, which removes any incentive to chase a concession.

In a box of five, a player who plays all four matches finishes on at least 4 points and a player who plays none finishes on nothing. That gap is what keeps a league moving.

ClubChamps awards 3 for a win, 1 for a loss, 2 for a walkover win and 0 for a walkover loss, with the completion bonus off. Every one of those numbers is yours to change when you run a box league on ClubChamps.

Tie-breakers, in order

Players finish level on points in most rounds, so this order matters more than it looks. Apply the tie-breakers in order and stop at the first one that separates the players.

1. Head-to-head. The result between the tied players, used only when exactly two are level.
2. Matches won. More wins finishes higher.
3. Matches played. Rewards the player who turned up.
4. Set win percentage. Sets won divided by sets played.
5. Game win percentage. Games won divided by games played.
6. Game difference. Games won minus games lost.

A worked example. Three players in a box of five finish the round on 10 points each, from three wins and one loss.

The first tie-breaker does not apply, because it separates two players and not three. Matches won and matches played are level, so set win percentage decides it: A finishes first, C second and B third.

Players still level after all six share the position, or play off if a promotion place depends on it. This is the order ClubChamps applies by default, and an organiser can reorder it before the round starts.

Promotion and relegation

At the end of the round the top two in each box move up one box and the bottom two move down one. Box 1 has nothing above it and the bottom box has nothing below it, so those players stay where they are. New boxes are published and the next round starts.

Two up and two down is the standard club rule, and it is what the template below uses.

Set a minimum as well as a position. A player needs at least two matches played to be promoted and at least two to avoid relegation, and a player with no matches at all goes down automatically. Without that rule someone can be promoted on a single lucky win while a player who completed the box drops.

ClubChamps applies both minimums by default and lets you move one to three places each way, with double promotion available for a box winner who is clearly in the wrong box.

Walkovers and unplayed matches

Box leagues fail on unplayed matches far more often than they fail on the rules. Write the chasing rule down before the round starts, so an organiser applying it is following the rules rather than taking sides.

1. Both players offer at least two dates in the first half of the round.
2. A player who does not reply within seven days concedes. The opponent may claim a walkover, worth 2 points, and the conceding player scores 0.
3. If neither player made contact, the match is unplayed and neither player scores.
4. A match abandoned through injury is scored at the point reached, with the fit player recorded as the winner.
5. The organiser records the walkover, including end-of-round walkovers for matches that simply ran out of time.

Chase at the halfway point. A short message to everyone with matches outstanding gets more of them played than any rule does, and it gives players time to act on it.

ClubChamps records a walkover as awarded, mutual or end of round, so the standings show why a match has no score instead of leaving a blank.

Joining mid-season

A box league runs continuously, so players arrive and leave in the middle of it. Three rules cover almost every case.

• New players join the bottom box at the start of the next round, never mid-round. A strong late joiner climbs a box per round, so expect a round or two of easy tennis for them.
• A player leaving mid-round gives walkovers to their remaining opponents if they had played at least half their matches. If they had played fewer, strike their results out, so the box is scored on matches everyone had a fair chance to play.
• A player who knows they cannot play a round should say so before it starts. Sitting a round out is far better for the league than a box full of unplayed matches.

ClubChamps rebalances the boxes at the round transition, so a joiner or a leaver changes the next round rather than the one in progress.

Doubles boxes

A doubles box league works exactly like a singles one, with the pair as the unit.

• Fixed pairs enter together, and each pair is one line in the box.
• Points, tie-breakers and promotion apply to the pair, not to the two individuals.
• A box of five pairs is ten matches, the same as a box of five singles players.
• Pairs move up and down together. A pair that splits up leaves the league and rejoins as new pairs at the next round.

A box where partners rotate and individuals score is a different format. That is an Americano, and it produces an individual leaderboard rather than a box league table.

Box league rules template

Everything above as a rules sheet you can paste onto your club website. Replace the values in square brackets, and delete any clause you do not run.

[Club name] Box League Rules

1. Boxes. Players are placed in boxes of five, Box 1 being the highest. Everyone plays everyone in their box once per round.
2. Rounds. Each round lasts eight weeks, from [start date] to [end date]. Dates are published with the boxes.
3. Arranging matches. Contact your opponents in the first week and offer at least two dates. A player who does not reply within seven days concedes a walkover.
4. Match format. Best of three sets with a 10-point match tiebreak at one set all. Players supply the balls.
5. Points. Win 3, loss 1, walkover win 2, walkover loss 0. Unplayed matches score nothing.
6. Reporting. The winner enters the score within 24 hours. The loser confirms it.
7. Tie-breakers, in order. Head-to-head, matches won, matches played, set win percentage, game win percentage, game difference.
8. Promotion and relegation. The top two in each box move up and the bottom two move down. A player must have played at least two matches to be promoted or to avoid relegation. A player with no matches is relegated.
9. Injuries and retirements. A match stopped through injury is scored at the point reached, the fit player winning.
10. Joining and leaving. New players join the bottom box at the next round. Tell the organiser before a round starts if you cannot play in it.
11. Disputes. The organiser's decision is final.
12. Organiser. [Name], [phone], [email].

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