royal flush pokerA Royal Flush is the best hand in poker and is made up of an ace, king, queen, jack and ten of all the same suit. An example of a Royal Flush is A♢K♢Q♢J♢10♢Learn what a royal flush is in poker, how to get it, and why it's the hhest-ranking and unbeatable hand. Find out the odds, probability, history, and examples of royal flush in different poker games.