Do you know what beats what in poker? Read this list of A royal straight flush is when you have J-Q-K-A, all of the same suit. This is the. Poker hands: check out what beats what in Texas hold'em with our poker would be an eight-high straight flush and practically unbeatable. Straight Flush: Five cards in numerical order, all of identical suits. Straight. In the event of a tie: Highest rank at the top of the sequence wins. The best possible.