Backdoor
A draw that requires hitting on both the turn and the river to complete.
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What Is Backdoor?
A backdoor draw starts with only two matching or connecting cards after the flop, meaning both remaining community cards must cooperate for the draw to complete. Because two specific cards are needed in sequence, backdoor draws have much lower equity than a normal draw and are generally not a primary reason to continue in a hand. They are most useful as a secondary consideration that adds a small amount of extra equity to a bluff or semi-bluff.
Examples
Holding two clubs on a flop with only one club gives you a backdoor flush draw if two more clubs appear on the turn and river.
A hand like 9-8 on a J-4-2 flop has a backdoor straight draw needing runner-runner connecting cards.
Strategy Tips
Treat backdoor draws as a bonus to your overall equity rather than a primary reason to continue in a hand, since the odds of completing them are low. Backdoor equity can tip a marginal continuation-bet or bluff decision in your favor, especially in position. Do not overvalue backdoor draws when facing significant aggression, as they rarely justify calling large bets on their own. Combine backdoor draw potential with other factors like fold equity and position when deciding how to proceed.