Flush

What it means

A flush is a poker hand containing five cards of the same suit, regardless of their rank. It ranks fifth among standard poker hands, beating a straight but losing to a full house. The strength of a flush is determined by its highest card, then the second-highest if tied, and so on.

How it works at the table

When you hold two hearts like A♥ 7♥ and the board runs out K♥ 9♥ 3♦ 2♥ 8♣, you’ve made an ace-high flush. Your five-card hand is A♥ K♥ 9♥ 7♥ 2♥. If your opponent holds Q♥ J♥, they also have a flush, but yours wins because your ace beats their king-high flush (K♥ Q♥ J♥ 9♥ 2♥). In a 100bb cash game, this hand often creates large pots as both players are likely to commit significant chips.

Strategic context

Flushes are powerful hands that often win big pots, but their value depends heavily on context. The nut flush (ace-high) plays differently than a weak flush. On monotone boards where three or four cards share a suit, even strong flushes require careful navigation. Understanding position becomes crucial when playing flush draws, as you’ll need to balance aggression with pot control.

Common mistakes

Players overvalue weak flushes on paired boards where full houses are possible. They chase flush draws without proper pot odds, calling large bets when they need to hit one of their nine outs. Many beginners also fail to recognize when their flush is likely beaten - holding 6♥ 5♥ on a K♥ Q♥ J♥ 10♥ 9♥ board means you’re probably behind despite having a flush.

Related concepts

Flush draws are central to semi-bluffing strategies, where you bet or raise with nine outs to improve. The backdoor flush draw (needing two more cards of your suit) adds roughly 4% equity to your hand. Understanding how flushes interact with board texture helps you navigate multiway pots and recognize when your strong hand might be vulnerable. Check the hand rankings chart to see how flushes compare to other holdings.