Inside Straight Draw
A straight draw that requires one of the cards in the middle of the sequence complete. Most of the time you will have 4 outs when drawing to an inside straight draw.. For example , if player A has 46 and the board is 3-7-K player A is said to have a inside straight draw as they need to 5 to fill the 4-5-6-7-8 hand. See Backdoor Draw.