When. A royal flush is the best and rarest hand you can get at the poker table. Any hand that that has five cards of the same suit is. The best Flush possible. The short answer is nothing. Every poker player strives to be dealt a royal flush when they hit the tables. An ace-high straight flush, commonly known as a royal flush, is the best possible hand in many variants of poker. So - the odds of hitting a royal flush would be 4/2,,, which would work out to. . Find out what a royal flush is and why it's significant here. The best possible straight flush is known as a royal flush, which consists of the ace. Each hand belongs to a category determined. In the event of a tie: Highest rank at the top of the sequence wins. Your odds of a royal flush are % in Texas Hold'em, with the odds against making a royal flush at 30,to The royal flush is known as the ultimate hand in Texas Holdem. A flush is one of the most powerful Texas hold'em hands because it is only beaten by a handful of others. The royal flush is a case of the straight flush. A Royal Flush in Texas Hold'em is guaranteed to win – the worst outcome possible with a Royal Flush would be splitting the pot with. A flush is a relatively strong hand in Texas Hold'em with the highest possible flush being ace-high with all 5 cards in the same suit. This includes the four royal flushes (Diamonds, Spades, Clubs and Hearts). It can be formed 4 ways (one for each suit), giving it a probability of % and odds of , 1.