A royal flush is a hand in which five cards are from the same suit and in With four suits in a deck—clubs, diamonds, hearts, and spades—there are four possible When a straight flush starts with 5 and ends with an ace —5♢ 4♢ 3♢ 2♢ A♢—it's.
So, by my calculations, there is around a 1 in 4.9 billion chance of a royal flush beating four aces in a two person game of standard Texas.
So, the probability of a four aces losing to a royal flush is = or about 1 in 165 million. The probability of just a case. Erik Magik ♣ Four Aces Vs Royal Straight Flush ♥ Card Trick ♦ Best Magic ♠ Poker When a player draws to an inside straight, it means that the hand in question is sequentially interrupted from forming a straight. Here are the tags we accept and what they are. Our example shows the best possible two-pair, Aces and Kings. An additional category, five of a kind, is introduced when using one or more wild cards. Sidebar image from Randall Monroe's xkcd What is the chance of a royal flush beating AAAA at the WSOP?