Each player receives five cards in Straight Poker. Players can’t draw. There is a period of time, during which palyers can make bets. It is called a betting interval. He, who wins, gets the jackpot. If the rest of the players fold or if you have the strongest hand in the game you are a winner. Straight Poker is represented by Double-Barrel Shotgun. Each player is dealt 5 cards face down in Double-Barrel Shotgun. One of the cards has to be exposed by the player to the dealer’s left. Betting intervals then alternate with further rounds of exposing one card each. After the final round of exposure the card combinations of the players are compared. The player with the best hand wins. Online Poker Betting Interval.