Straight Flush
Five consecutive cards of the same suit (not A-K-Q-J-10). Example: 9♦8♦7♦6♦5♦. Beats: Four of a Kind, Full House, Flush, Straight, Three of a Kind, Two Pair, One Pair, High Card. It appears in 36 of all 2,598,960 five-card combos (0.0014%, odds against 72192.3 : 1), ranking 2 of 10 by strength.
| Example | 9♦8♦7♦6♦5♦ |
|---|---|
| Strength rank | 2 / 10 |
| Combinations | 36 (out of 2,598,960 five-card hands) |
| Probability | 0.0014% |
| Odds against | 72192.3 : 1 |
| Beats | Four of a Kind (Quads)、Full House (Full Boat)、Flush、Straight、Three of a Kind (Trips / Set)、Two Pair、One Pair、High Card |
| Loses to | Royal Flush |
Figures from lib/poker-math.ts (deterministic)
About this hand
A straight flush ranks 2 out of 10 in Texas Hold’em hand strength, surpassed only by the royal flush. This hand consists of five consecutive cards of the same suit, such as 7♣8♣9♣10♣J♣. In the 2,598,960 possible five-card combinations, only 36 qualify as a straight flush, highlighting its rarity. It defeats all lower-ranked hands—four of a kind, full house, flush, straight, three of a kind, two pair, one pair, and high card—while being beaten solely by the royal flush. The statistical scarcity underscores its dominance when it occurs.