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What are the odds of hitting a flush draw with 2 suited cards?

Published in Poker Probabilities 2 mins read

When holding two suited cards in Texas Hold'em, the odds of flopping a flush draw are 10.9%.

Understanding Flush Draws in Poker

A flush draw occurs when you have two cards of the same suit in your hand, and the flop brings two more cards of that same suit. This gives you a total of four cards of the same suit, meaning you need one more card of that suit on the turn or river to complete your five-card flush. For example, if you hold 7♠ 8♠ and the flop is K♠ Q♣ 2♠, you have a flush draw because you have four spades.

Probability of Flopping a Flush Draw with Suited Cards

Your starting hand plays a significant role in your chances of hitting various draws. When you begin with two suited cards, your probability of flopping a flush draw is considerably higher than with any random starting hand. Specifically, the chances are:

  • 10.9% (approximately 1 in 9) for flopping a two-card flush draw with two suited cards.

This means that roughly one out of every nine times you hold two suited cards, you can expect to see two more cards of that suit on the flop, putting you in a strong position to make a flush.

Key Poker Probabilities for Flushes

Understanding various flush-related probabilities can help you make more informed decisions at the poker table. Here's a breakdown of common flush probabilities:

Scenario Probability (%) Approximate Odds
Flopping a Flush with a suited starting hand 0.82 1 in 122
Flopping a two-card Flush draw with any starting hand 2.58 1 in 39
Flopping a Flush draw with two suited cards 10.9 1 in 9
Flopping a one-card nut Flush draw with any starting hand 0.17 1 in 588
Flopping a one-card nut Flush draw with an Ax holding 1.12 1 in 89

Why Suited Cards Matter

Suited cards are often preferred in poker because they offer additional equity beyond just the rank of the cards. While an offsuit hand like A♥ K♣ might rely purely on high card value, a suited hand like A♥ K♥ also gives you the potential to make a flush. This added dimension of playability and the increased odds of hitting powerful draws like a flush draw make suited hands valuable in many poker strategies.