⚖️ Pool guide
8-Ball vs 9-Ball: Rules and Key Differences
Both games use the same table and cue, but they ask you to solve the rack in completely different ways. This visual guide shows what changes from the break to the winning shot.
The short answer
In 8-ball, you clear your group of solids or stripes and then pocket the 8 in a called pocket. In 9-ball, the cue ball must contact the lowest-numbered ball first, but any ball may fall on that legal shot — including the 9 for an early combination win.
Two racks, two plans
Rule-by-rule comparison
| Rule | 8-ball | 9-ball |
|---|---|---|
| Balls in the rack | 15 object balls: solids 1–7, the 8, and stripes 9–15. | 9 object balls, numbered 1–9. |
| Legal break | Cue ball in hand behind the head string. Nothing is called and no ball has to be struck first. Pocket a ball, or drive at least four object balls to a rail. | Cue ball in hand behind the head string. The 1 must still be the first ball contacted. Pocket a ball, or drive at least four object balls to a rail. |
| Legal first contact | Your own group first after groups are assigned. On an open table, any object ball except the 8 may be first. | The lowest-numbered ball still on the table must be contacted first. |
| Order of pocketing | Your seven balls may be cleared in any order, then the 8. | Balls do not need to fall in order. Only the first contact is ordered. |
| Called shots | Every shot after the break is called, but the ball and pocket only have to be named when they are not obvious. Cushions and other balls along the way are irrelevant. | Shots are not called. A ball pocketed on a legal shot counts. |
| Winning the rack | Clear your group, then legally pocket the 8 in the called pocket. | Legally pocket the 9 on any shot other than a push out, including a combination. |
| Money ball on the break | The 8 on a legal break is neither a win nor a foul. The breaker spots it and plays the table, or re-breaks. | The 9 on a legal break wins the rack. |
| After a standard foul | The opponent receives cue-ball in hand anywhere on the playing surface. | The opponent receives cue-ball in hand anywhere on the playing surface. Three consecutive fouls lose the rack. |
| Second shot of the rack | No push out. Play continues normally. | If nobody fouled on the break, the shooter may declare a push out: first-contact and rail requirements are suspended for that shot, and the opponent then chooses who shoots next. |
How you end up with solids or stripes
The break does not hand out groups, and this is where most 8-ball arguments start. Even when the breaker pockets balls and keeps shooting, the table is still what the rules call open: nobody owns solids or stripes yet, and the cue ball may strike any object ball except the 8 first.
While the table is open the shooter names the ball being played before each shot. Legally pocket that ball and its group is yours; the other group goes to your opponent. Miss it and the table stays open for the next player. So the group is settled by the first called ball someone pockets after the break — not by whatever fell on the break itself.
9-ball needs none of this. The target is always the lowest-numbered ball on the table, so both players are shooting at the same ball all rack long and there is nothing to assign.
8-ball is a route-planning game
Once the table is no longer open, every shot has two jobs: pocket one of your group and leave the cue ball where another one is available. Because the seven balls may be taken in any order, choosing the order is the heart of the rack.
The final transition matters most. You need an angle from your last group ball to a chosen pocket for the 8. Pocketing the 8 early, pocketing it in an uncalled pocket, driving it off the table, or pocketing it while fouling loses the rack under WPA rules.
9-ball is a contact-order game
The cue ball must meet the lowest-numbered ball first, but that ball does not have to be the one you pocket. You may carom it into another ball, use it to start a combination, or play safe as long as the first contact and the rest of the shot are legal.
That is why a rack can end before balls 1–8 are gone: if the cue ball contacts the lowest ball first and the 9 then falls without a foul, the rack is won. If the 9 falls on a foul or on a push out, it is spotted instead.
The rail rule is shared
In both games, simply touching the correct ball is not enough. If no ball is pocketed, at least one ball — the cue ball or any object ball — must reach a rail after contact. This rule prevents a player from barely nudging a ball and leaving the table unchanged.
House rules can be different
Bars, leagues, apps and tournaments sometimes use different break rules, call-shot requirements or ways to handle the 8 on the break. Agree on the rule set before playing. The comparison here follows WPA world rules.
JuJu Games uses the same core win, contact and foul structure, with two deliberate simplifications: routine object-ball shots are not called, so you only choose a pocket for the 8 ball, and an open table is settled by the first ball you legally pocket after the break rather than by a call.
Frequently asked questions
When do you choose stripes or solids in 8-ball?
Not on the break. The table stays open afterwards, even if the breaker pockets balls, and the group is decided by the first called ball a player legally pockets after the break. The opponent then has the other group.
What has to happen for a break to be legal?
In both games, pocket a ball or drive at least four object balls to a rail. 9-ball adds one requirement the 8-ball break does not have: the cue ball must contact the 1-ball first.
Do you have to pocket the balls in numerical order in 9-ball?
No. The cue ball must contact the lowest-numbered ball first, but any ball pocketed on that legal shot counts. Combinations and caroms are allowed.
Do you have to call the pocket in 8-ball and 9-ball?
Under WPA rules, 8-ball is a call-shot game after the break. 9-ball is not: a ball pocketed on a legal shot counts without a call.
Does making the 8 on the break win immediately?
Not under WPA rules. On a legal break the breaker may spot the 8 and continue from the position, or re-break. Some house rules do award an immediate win, so check before playing.
What happens after a foul?
For a standard foul in either game, play passes to the opponent with cue-ball in hand anywhere on the playing surface. Special break situations and serious fouls can have different penalties.