Tennis becomes much easier to understand once you know the basic rules that control each point.
You do not need to memorize an entire rulebook before stepping onto a court. As a beginner, the most important things to understand are where to serve, what counts as a fault, when a serve is replayed, which court lines are in or out and what actions cause a player to win or lose a point.
This guide covers those essential rules so you can start playing recreational tennis with confidence.
The Basic Goal of a Tennis Point
Every point begins with a serve.
Once a legal serve lands in the correct service box, the receiving player returns the ball and the rally begins. From that point forward, the players continue hitting the ball across the net until one side fails to make a legal return.
You win the point when your opponent:
- cannot return the ball before it bounces twice
- hits the ball into the net
- hits the ball outside the correct court
- commits a double fault
- touches the ball with their body
- touches the net while the ball is still in play
- commits another action that causes the rules to award the point to you
The exact score attached to that point is part of tennis scoring and is covered separately. Here, the important idea is simply that every rally produces a point unless a let causes the point to be replayed.
Every Point Starts With a Serve
The server begins each point from behind the baseline.
The serve must travel diagonally across the net into the correct service box on the receiver’s side of the court.
The server alternates which side of the center mark they serve from as points are played.
For one point, the server serves diagonally from one side of the court. On the next point, the server moves to the other side and serves diagonally into the opposite service box.
A serve cannot simply land anywhere on the opponent’s side.
It must land inside the correct service court.
Where the Server Must Stand
While serving, the server begins behind the baseline.
The server must also be on the correct side of the center mark for that particular serve.
During the service motion, the server cannot step on or inside the baseline before striking the ball. The server also cannot move outside the permitted serving area or cross the imaginary extension of the center mark with a foot.
Breaking these positioning rules results in a foot fault.
The 2026 ITF rules clarify the permitted serving position and define touching the baseline or court during the service motion as a foot fault.
The Serve Must Land in the Correct Service Box
The tennis court contains two service boxes on each side of the net.
A legal serve travels diagonally into the service box opposite the server.
If the ball lands inside the correct box, the serve is good and the receiver must play it.
If the ball lands outside the correct service box, it is a fault.
The service lines themselves count as part of the service box. A serve that touches any part of the correct boundary line is considered in.
The Receiver Must Let the Serve Bounce
The returner cannot volley a serve.
The serve must bounce inside the correct service box before the receiver hits it.
If the receiver strikes the serve before it bounces, the receiver loses the point.
After the serve has bounced legally and been returned, normal rally rules apply and players may generally hit the ball either after one bounce or before it bounces.
The requirement that the receiver allow the serve to bounce is specifically included among the ITF rules governing how a player can lose a point.
You Normally Get Two Chances to Serve
One of the most beginner-friendly tennis rules is that missing your first serve does not normally cost you the point.
You receive two service attempts.
If your first serve is a fault, you take a second serve.
If your second serve is also a fault, you have committed a double fault and the receiver wins the point.
A first-service fault therefore means:
Try again with your second serve.
A double fault means:
The point is over.
USTA and ITF rules both recognize two consecutive service faults as a loss of the point.
What Counts as a Service Fault?
A serve can become a fault in several ways.
The most common beginner example is serving the ball outside the correct service box.
Other faults include:
- serving into the net without the ball continuing legally into the correct service box
- landing the serve outside the correct service box
- foot faulting
- missing the ball while attempting to serve
- having the served ball hit certain permanent fixtures before bouncing
- having the serve touch the server, the server’s partner or something they are wearing or carrying
One useful rule beginners sometimes do not know involves the ball toss.
If you toss the ball but decide not to swing, you may catch the ball or allow it to drop and start the service motion again. Simply deciding not to hit a poor toss is not automatically a fault.
That situation is specifically addressed by the ITF rules.
What Is a Foot Fault?
A foot fault is a service fault caused by the server’s position or foot movement during the serve.
For a beginner, the simplest rule to remember is:
Stay behind the baseline until you strike the serve.
Do not step on the baseline or into the court before contacting the ball.
A foot fault counts just like another service fault.
If it happens on your first serve, you still have your second serve.
If you foot fault on your second serve, it completes the double fault and you lose the point.
What Is a Let on a Serve?
A service let occurs when a serve touches the net, strap or band but still continues into the correct service box.
Instead of playing the point, that serve is repeated.
It is not counted as a fault.
For example:
You serve.
The ball clips the top of the net.
It continues over the net and lands inside the correct service box.
That is a service let.
You replay that particular serve.
If the ball clips the net but then lands outside the correct service box, however, it is a fault rather than a let.
The ITF also treats a serve made while the receiver is not ready as a service let in the applicable circumstances.
A Let Does Not Erase an Earlier Fault
This distinction matters when a let happens on a second serve.
Suppose your first serve is a fault.
You hit your second serve.
The ball touches the net and then lands correctly inside the service box.
That second serve is a let, so you take the second serve again.
You do not suddenly receive another first serve simply because the second serve was a let.
The original first-service fault still stands.
ITF rules specifically state that a service let does not cancel a previous fault.
Lets Can Also Stop a Rally
The word let is not limited to serves.
A let may also be called when something unexpectedly interferes with play and the point needs to be replayed.
A common recreational example is a ball from another court rolling into your playing area during a rally.
Because continuing could be distracting or unsafe, play may stop and the point can be replayed.
This is different from a service let.
When the entire point is replayed because of an interruption during play, the point normally begins again from the first serve.
The Ball Must Land Inside the Correct Court
Once the serve has been returned and the rally is underway, players generally use the full legal court for that format of tennis.
During singles, the singles sidelines form the side boundaries.
During doubles, the wider doubles sidelines are used.
That means the areas commonly called the doubles alleys are out during a singles rally but in during doubles play.
The baseline forms the back boundary of the court in both formats.
The Doubles Alley Is Not Part of the Service Box
This catches many beginners.
Although doubles uses the wider court during rallies, the doubles alley does not suddenly become part of the service box.
The serve must still land inside the proper diagonal service court.
So in doubles:
The wider doubles court matters once the rally is underway, but the serve still has to land within the regular service box.
A Ball Touching the Line Is In
One of the most important court-boundary rules is simple:
The line is part of the court.
A ball does not need to land completely inside the painted line.
If any part of the ball touches the correct boundary line when it lands, the ball is considered in.
This applies to service-box lines and rally boundaries.
Therefore, a ball that lands partly on the baseline is in.
A ball touching the singles sideline during singles is in.
A serve touching the service line while otherwise inside the proper service court is also good.
USTA guidance confirms that a ball touching a boundary line remains in play.
You Normally Wait for the Ball to Land Before Calling It Out
A ball heading outside the court is not automatically out just because it appears likely to land out.
The ball normally must actually land outside the court.
If you choose to hit an opponent’s shot before it bounces, you have played the ball.
You cannot volley an incoming ball and then claim afterward that it would have landed outside the court.
This is especially useful for beginners learning when to leave a ball alone near the baseline or sidelines.
The Ball May Bounce Only Once
During a standard tennis rally, you must return the ball before it bounces twice on your side.
You may hit it:
- before it bounces, which is a volley
- after one bounce
But if the ball bounces a second time before you make a legal return, you lose the point.
The ITF lists allowing the ball to bounce twice as one of the basic ways a player loses a point.
The Ball Must Cross the Net
To make a legal return, you normally need to send the ball over the net and into the opponent’s correct court.
If you hit the ball into the net and it does not cross, you lose the point.
If the ball crosses the net but lands outside the legal court, you also lose the point.
However, hitting the net does not automatically end a rally.
A Rally Ball Can Touch the Net and Continue
Service rules and rally rules are different here.
During a normal rally, if your shot touches the net and still crosses over and lands inside the opponent’s court, the ball remains in play.
There is no automatic replay simply because a rally ball clipped the net.
Your opponent must still try to return it.
This differs from a legal serve that touches the net, which is treated as a service let under the standard rules.
Do Not Touch the Net While the Ball Is in Play
A player loses the point if they, their racket or something they are wearing or carrying touches the net while the ball is still in play.
This frequently matters when players run forward for a short ball.
Even if you hit a successful shot, you can still lose the point if your momentum carries you into the net before the point has ended.
The timing matters.
The restriction applies while the ball is still in play.
The Ball Cannot Hit You
If the ball in play touches your body or clothing before the point has ended, you lose the point.
You cannot deliberately stop an incoming ball with your hand simply because you believe it was going out.
You generally need to let an out ball land.
Likewise, you cannot use your body to block a shot and continue playing.
The legal contact is made with the racket you are holding.
You Cannot Catch or Carry the Ball With the Racket
A tennis stroke should be one continuous hit.
You cannot deliberately catch the ball on the strings, carry it on the racket and then throw or push it across the net.
You also cannot deliberately touch the ball multiple times with the racket during the same attempted return.
Those actions result in loss of the point.
You Cannot Hit the Ball Before It Reaches Your Side of the Net
Normally, you must allow the ball to cross the net before making contact.
You cannot reach across the net and strike an opponent’s ball while it is still on their side.
Your racket may sometimes follow across the net after you have legally contacted the ball on your side, but the original contact must be legal.
For beginners, the easiest rule is:
Hit the ball after it reaches your side of the net.
How You Win a Point
You win the point when your opponent fails to make a legal play.
Common examples include when your opponent:
- double faults
- allows the ball to bounce twice
- hits the ball into the net
- hits the ball outside the correct court
- volleys your serve before it bounces
- touches the net while the ball remains in play
- is struck by the ball
- fails to return your legal shot
You do not need to hit a spectacular winner to earn a point.
Often, keeping the ball legally in play until your opponent makes an error is enough.
How You Lose a Point
From your perspective, you lose the point when you commit one of those errors yourself.
Common beginner examples are:
Two service faults:
You miss both service attempts.
Ball out:
Your return lands outside the legal court.
Ball into the net:
Your shot fails to cross the net.
Two bounces:
You fail to return the ball before its second bounce.
Net touch:
You touch the net while the ball is still live.
Body contact:
The ball touches you instead of your racket.
Illegal return of serve:
You hit the opponent’s serve before it bounces.
These are among the principal point-loss situations listed in the official ITF Rules of Tennis.
Simple Beginner Examples
Understanding the rules becomes easier when you apply them to real situations.
Your first serve lands long
Fault.
Take your second serve.
Your second serve lands long
Double fault.
Your opponent wins the point.
Your serve touches the net and lands correctly
Let.
Replay that serve.
Your serve touches the net and lands outside the service box
Fault.
Your rally shot clips the net and lands inside the court
Keep playing.
Your opponent’s shot lands on the baseline
It is in.
Your opponent’s shot appears to be going long, but you hit it before it bounces
You played the ball.
The rally continues according to the result of your return.
The ball bounces once and you return it
Legal.
The ball bounces twice before you reach it
You lose the point.
You hit a winner but run into the net while the ball is still in play
You lose the point.
A ball from another court rolls through your court during the rally
Stop play when appropriate and call a let.
Replay the point.
The Essential Tennis Rules to Remember
You do not need to remember every technical situation before playing your first recreational match.
Start with these rules:
Serve diagonally into the correct service box.
Stay behind the baseline during the serve.
You normally have two attempts to make a legal serve.
Two faults mean you lose the point.
A legal serve that touches the net is replayed.
The serve must bounce before the receiver returns it.
A ball touching a legal boundary line is in.
Singles and doubles use different sidelines during rallies.
Return the ball before its second bounce.
Keep your shots inside the correct court.
Do not touch the net while the ball is still in play.
Do not catch the ball or allow it to hit your body.
If a normal rally shot clips the net and lands in, keep playing.
Once these rules become familiar, you can concentrate less on remembering what is allowed and more on simply keeping the ball in play.
That is enough rule knowledge to begin playing recreational tennis and understand why most points are won, lost or replayed.