Flush in Poker: Odds, Tiebreakers, and How to Win More

A flush in poker is a five-card hand where all cards share the same suit, ranking fourth in the standard hand hierarchy, above a straight and below a full house. The cards do not need to be in sequential order.

Any five diamonds, spades, hearts, or clubs qualify. I have reviewed thousands of student hands featuring flushes over the years, and it is one of the most misplayed strong hands I see at every level, with players either over-committing with low flushes or leaving significant value on the table when they hold the nuts.

In terms of absolute strength, a flush is right in the middle of poker hand rankings, beating straight, three of a kind, two pairs, one pair, and high card, but losing to any full house or better.

Poker Hand	Explanation	Example
#1. Royal Flush	Five highest cards of the same suit	AcKcQcJcTc
#2. Straight Flush	Any five consecutive cards of the same suit	JcTc9c8c7c
#3. Four of a Kind	Four cards of the same rank	4c4s4d4hJc
#4. Full House	Three cards of one rank + two cards of another rank	3c3s3d7h7c
#5. Flush	Five cards of the same suit	KdJd7d5d3d
#6. Straight	Five consecutive cards in different suits	6s5s4d3d2h
#7. Three of a Kind	Three cards of the same rank	7c7h7d2hJ2
#8. Two Pairs	Two cards of one rank + two cards of another rank	QcQs2c2hJs
#9. One Pair	Two cards of the same rank	8h8sAcKs5d
#10. High Card	Any other hand	AcQdJs4h3c

Examples of a Flush Poker Hand

Any five cards of the same suit make up a flush. For example:

Ah Th 9h 7h 3h – an Ace-high flush in hearts
Ks Qs 9s 8s 6s – a King-high flush in spades
Td 9d 7d 5d 2d – a Ten-high flush in diamonds
8c 6c 5c 3c 2c – an Eight-high flush in clubs

When there are two or more players with a flush at a showdown, the hand containing the highest card is the winner. For example, Ah 7h 6h 3h 2h beats Ks Js Ts 9s 8s.

If two players have the same top card, the second-highest card is used to determine the winner, so a hand like Jh Th 8h 7h 5h beats Jc Tc 8c 6c 5c because of the 7h.

It’s important to note that suits have no bearing at a showdown. All flushes are worth the same, so a flush in spades is not stronger than a flush in clubs (or vice versa). So, if two players have the exact same flush in two different suits (which is possible in some stud and draw poker variations), they’ll always split the pot, and suits will not be considered.

What Beats Flush in Poker?

As mentioned, a flush is a medium-strength poker hand, and it beats straight, three of a kind, two pairs, one pair, and a high card.

This is the fifth-best hand you can have in high poker variations like Texas Hold’em and PLO, so there are still four hands that a flush loses to. These are a full house, four-of-a-kind (quads), straight flush, and Royal Flush.

A flush can also lose to a higher flush, which is why Ace-high flushes are held in high regard. An Ace-high flush is the best flush you can have, so you don’t have to worry about losing to other flushes.

Flush Probabilities

Understanding flush probabilities directly shapes how you make decisions in drawing situations. The shortcut I teach every student is the rule of 4 and 2: on the flop with nine flush outs, multiply by 4 for your approximate equity to the river (roughly 36%), and multiply by 2 on the turn for your equity to the river alone (roughly 18%).

I rely on those numbers constantly in real time without needing a calculator. If the pot is $100 and your opponent bets $50, you are getting 3-to-1, meaning you need about 25% equity to break even. With nine flush outs on the flop, you have far more than that, so calling is almost always mathematically correct.

A flush is a fairly common hand in Texas Hold’em. With four different suits and a deck of 52 cards, there are 5,148 ways to make a flush (1,278 ways for each suit).

The table below shows your odds of making a flush in Texas Hold’em when starting with two suited cards:

Flop	Completing Flush Draw by the Turn	Completing FD by the River
0.82%	19.2%	35%

Here are a few more interesting statistics about a flush poker hand:

You have a 10.9% chance to flop a flush draw starting with two suited cards.
The odds of flopping a nut flush draw when holding an unsuited Ace are 1.12%
Your odds of flopping a backdoor (two-card) flush draw with any two cards is 2.58%.

How to Play Flush in Poker?

A flush is a strong hand, but strong does not mean automatic. Playing a flush correctly depends on board texture more than anything else, and that is the distinction most players miss.

When I hold a flush on a clean, unpaired board with no full house possible, I look to build the pot aggressively across every street. The hand plays itself.

But the situation changes the moment the board pairs. In a recent hand review, a student held 9h-7h on a board that ran out Qh-6h-2h-Q-5. His queen-high flush looked beautiful on the flop, but the turn queen meant a significant portion of the opponent’s calling range now contained full houses.

My student had to reduce his sizing substantially on the turn and check back the river rather than pile in three streets of value, because the hands that called all three bets were very likely to beat him. Recognizing board texture changes is what separates recreational flush players from winning ones.

The biggest mistake beginners make is overvaluing their flush on a paired board. Whenever the board is paired, there is a possibility of a full house, and if your opponent raises you in this situation at any point, you should take a moment and consider all the possibilities. When playing with deep stacks, you should be ready to give up a flush on a paired board facing a lot of aggression.

Another important strategy tip is to be careful when playing with a non-nut flush. In this situation, it is always possible for someone to have a better flush, so be mindful of the situation and your opponent(s).

Flush Tiebreakers: Which Flush Wins?

When two or more players each make a flush at showdown, the winner is determined by the highest card in each flush, followed by the second-highest, the third-highest, and so on until one player’s card outranks the corresponding card in the opponent’s hand.

Suit itself never breaks a tie. A king-high flush in diamonds and a king-high flush in spades are equal in strength. If both players’ five-card flushes are identical in rank, the pot is split.

In Texas Hold’em, tiebreaker situations happen more often than players expect, particularly on monotone boards where several flush cards hit the community cards. If the board runs out Ks-Qs-Js-Ts-2s and you hold 9s-6s, your best five-card hand is K-Q-J-T-9, using the king through nine of spades. Any opponent holding the ace of spades beats you outright with A-K-Q-J-T.

I find that most beginners do not realize how often they are drawing to a losing flush in these situations. When three or four spades hit the board, the player holding the highest additional spade wins any flush-versus-flush confrontation. If you do not hold the ace of spades and your opponent is representing extreme strength, there is a real probability you are losing even when both of you have made a flush.

The key rule: always identify whether you have the nut flush (the highest possible flush given the board) before committing your stack in a multi-way pot on a flush-possible board.

Common Mistakes Playing a Flush

Most players understand that a flush is a strong hand, but I see these three mistakes repeatedly when reviewing hands with students at all levels.

Overvaluing a low flush. A seven-high flush is still a flush, but on a board with three suited cards, any opponent holding two higher cards in that suit beats you. I consistently see players commit large portions of their stack with six-high or seven-high flushes in spots where the opponent’s range heavily favors nut-flush holdings. Before putting in a large raise, ask yourself: given everything this opponent has done, how much of their range contains a higher flush than mine?

Ignoring the paired board. A paired board converts what looks like a strong flush into a vulnerable hand. When the board pairs at any point, every opponent who flopped two pair, a set, or a full house earlier in the hand is now a danger. I have folded flushes several times in high-stakes cash games when the board paired on the river and the action did not make sense for a bluff. It was the right laydown each time.

Under-betting the nut flush. When you hold the ace-high flush on an unpaired board, you are almost always in a pure value-betting situation. The biggest leak I see in student hands is min-betting or checking the river with the nuts out of fear the opponent will fold. In practice, many opponents will call two or even three streets with second pair, a weaker flush, or a draw that did not complete. Do not leave that money in the middle.

FAQ

What is a flush hand in poker?

A flush in poker is a hand consisting of four cards of the same suit, i.e., Ad 9d 8d 5d 2d.

What beats a flush?

A flush in poker loses to a full house, four-of-a-kind, straight flush, and the Royal Flush.

What does a flush beat?

Flush beats a straight and all hands below it, i.e., three of a kind, two pairs, one pair, and high card combinations.

How often will you make a flush?

Your odds of flopping a flush in Texas Hold’em with two suited cards are 0.82%. The odds of making a flush by the river after flopping a flush draw are 35%.

What happens when two players have a flush?

When two players have a flush, the winner is determined based on who has the highest-ranking single card in their combination. For example, Ah Jh Th 9h 2h beats Ad Jd Td 7d 8d.

What is the nut flush in poker?

The nut flush is the highest possible flush given the current board and suit. In most cases, the nut flush is an ace-high flush in the relevant suit. I always advise students to be drawing to the nut flush whenever possible, because if you and an opponent both complete your flush draws, the player holding the higher flush wins. Holding 7h-5h on a two-heart board while your opponent holds Ah-Kh means you are nearly drawing dead when the flush completes: you make a flush but they make a better one.

What is a flush draw in poker?

A flush draw is when you hold four cards of the same suit and need one more card to complete a flush. A standard flush draw has nine outs (13 cards in the suit minus the 4 already visible in your hand or on the board). Those nine outs give you roughly 36% equity to the river from the flop when two cards remain, and roughly 18% equity on the turn when one card remains. These numbers are the foundation for deciding whether to call, raise, or fold a drawing situation.