Flush Hand in Poker

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Flush poker
Example of Flush Hand in Poker

To form a Flush, you need 5 cards that share the same suit. In poker hand rankings, it holds the fourth position, just below a Full House. For instance, an example of an ace-high flush would be A♥J♥7♥5♥2♥, all in hearts.

While the term 'flush' might not initially suggest a grouping of five cards of the same suit, it's a relatively straightforward hand to identify. A flush is considered a fairly strong hand in poker,Texas Hold’emwith the top flush being the ace-high flush, where all five cards are in the same suit.

The strongest possible flush is the ace-high flush:

A♠J♠10♠3♠2♠

Regarding flushes, the specific suits are not significant. However, all ace-high flushes do not carry the same rank. The determining factor in ranking ace-high flushes is the value of the cards in the hand.

*It's important to note that a straight up to the Ace in any suit qualifies as a Royal Flush, and they hold equal standing in the hand ranking system.

How Does a Flush Hand Rank?

In a standard 52-card deck, there are a total of 5,108 combinations that can create a flush hand, and there are 1,277 unique ranks among them. The flushes are rated based on their highest card and then the second highest, in that order.

Here are some different examples of flushes:

A♠J♠10♠3♠2♠

K10752

A♣K♣Q♣8♣2♣

QJ1093

Can you identify which Flush is the highest ranked?

Remember that the ranking of a Flush is based on the highest card among the straight, not on the suit. In the scenario where multiple players have a flush, the player with the highest straight card wins. For example, a King-high Flush – regardless of suit – will win against a Queen-high Flush – in any suit, and so on.

Additionally, a K-J-10-5-3 flush will triumph over a K-J-9-8-3 flush due to the fact that the 10 ranks higher than the 9 in the latter hand. This difference in card value is what affects the flush ranking.

How Does a Flush Hand Match Up?

A Flush stands as the fourth best possible hand in the hierarchy of poker hands. A Full House ranks directly above it. Although 4thWhile it occupies a high position on the list, it remains a strong hand in Hold’em and is commonly not outmatched by opponents during the river phase.

However, there are plenty of hands that rank lower. The next hand that follows is referred to as a Straight .

The strongest Straight is the ace-high variation, which is often called 'Broadway'.

Flush Poker Probabilities

Next, we will examine the probabilities for making a Flush during the pre-flop, flop, turn, and river in both Hold’em and Pot Limit Omaha contexts.

Hold'em Probabilities      
Pre-flop: 0.1965%   (This analysis is based on drawing 5 cards from a full 52-card deck. (excluding royal and straight flushes)
Flop: 0.84%   (when holding 2 suited cards)
Turn: 19.15%   (from a flop with 2 suited cards)
River: 19.56%   (on a board with 2 suited cards)
Pot Limit Omaha Probabilities      
Pre-flop: 0.1965%   (This analysis takes into account 5 cards drawn from a full 52-card deck)
Flop: 1.90%   (when double-suited)
Turn: 20%   (from a flop with 2 suited cards)
River: 20.40%   (on a board with 2 suited cards)

Visit our Flush Poker Odds article for more information.

Flush – FAQ

Question 1: What is a “flush” in poker?

In poker, a flush arises when a player possesses five cards that are all of the same suit. If the cards are also in sequential order, it is instead designated a 'straight flush'.


Question 2: Which flush wins in poker?

If two players both end up with a flush, the winner is the one holding the highest flush card (Aces are valued as high). If they share the same high card, the next highest card is compared, and this process continues.


Question 3: Is a flush a potent hand in poker?

The power of a flush often varies depending on the specific poker game being played. For instance, in Hold’em, flushes are generally quite strong, while in Omaha they are less so, as players are dealt additional hole cards. Large card flushes are also significantly more powerful than those made up of smaller cards.


Question 4: Does a flush beat a straight?

For most poker variations (including Hold’em, Omaha, and Stud), the answer is affirmative: a flush always surpasses a straight.


Question 5: Does a flush beat a full house?

In the majority of poker games (including Hold’em, Omaha, and Stud), a flush consistently loses to a full house.


Having grasped the concept of the Flush thoroughly, we can proceed to the next hand on the rankings list, known as the Full House .

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