The official definition of royal flush is a ten-to-ace straight with all five cards of matching suits.
Royal flushes top all other hands in the poker hand rankings and are mathematically the rarest made hands that you can draw from a 52-card poker deck. The royal flush represents the strongest hand you can possibly make in a game of poker. What is a royal flush FAQs What is a Royal Flush?.Does a straight flush beat a royal flush?.Does a Five of a Kind Beat a Royal Flush?.