The classic oval shape allows efficient dealing of cards with the dealer sitting in the middle. Most poker players are accustomed to playing on oval tables as all casino poker rooms are outfitted with large oval tables to accommodate the most players possible. These two main shapes can be scaled up or down but we'll explain some of the pros and cons of each shape. You'll occasionally see an octagon or a modified oval shape but the standard oval and round are going to be the popular choice and more widely available. Poker tables come in two common shapes - oval and round.