What is a double gutshot straight draw?

Two gutshots in one hand: two different ranks each fill a hole and make a straight. It has 8 outs, like an open-ended straight draw.

What are the odds of a double gutshot?

8 outs. From the flop, 17.0% on the turn and 31.5% by the river if you see both cards.

Draw odds

Double gutshot straight draw: eight outs

Two holes, two ranks that fill them. It has as many outs as an open-ended straight draw. Players miss it because the cards are not in a row.

You

Five, seven, eight, nine, jack. Two ranks finish a straight.

8outs on the flop
17.0%to hit on the turn
31.5%by the river, if you see both

Count the outs

You hold 97. The flop is J85.

A ten makes seven to jack. Four tens.
A six makes five to nine. Four sixes.
Four plus four is 8 outs.

How to spot one

Look for five ranks spread over seven, like five to jack here. If only two ranks are missing from that stretch, and each one finishes five in a row, you have two gutshots. Do not stop at the first one you find. That mistake costs you half your outs.

The odds on each card

Cards to come	Exact	Rule of 2 and 4
Flop to turn, one card	17.0%	16%
Turn to river, one card	17.4%	16%
Flop to river, both cards	31.5%	32%

Exact odds count 47 unseen cards on the flop and 46 on the turn.

These are the same numbers as an open-ended straight draw. Same outs, same odds.

Which bets you can call

He bets	Price	One card	He is all in
a third of the pot	20.0%	fold	call
half the pot	25.0%	fold	call
two thirds of the pot	28.6%	fold	call
the pot	33.3%	fold	fold

With one card to come, the price alone lets you call a bet up to about 26% of the pot.

Which outs are clean

When the six comes, nobody can beat your straight. When the ten comes, 12 of the two-card hands he could hold have a bigger one: a queen with a nine. So 4 of your outs are clean.

The hidden shape helps you too. A player who sees the board as ragged may not put you on a straight, and may pay you after you hit.

Against top pair

Against JQ, every turn and river dealt, the double gutshot wins 33.0%.

Other draws

Off the Felt asks the same four questions about every hand, so the second gutshot does not get past you.

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