Poker is an exciting and complex card game, and the post-flop betting round can be one of the most difficult parts of the game to understand. Who bets first in poker after the flop? The player to the left of the dealer is the first to act and must either check, call, raise, or fold. After the first player has made their decision, the rest of the players in the hand can take their turn, either calling, raising, or folding. If two or more players are still in the hand after the flop, the turn and river cards will be dealt and the betting will continue until the showdown, when the best five-card hand will be revealed. Poker is a game of skill, and understanding the dynamics of betting after the flop can be a huge advantage.