Royal Flush
Five cards A-K-Q-J-10 all of the same suit. The highest possible straight flush. Example: A♠K♠Q♠J♠10♠. Beats all other hands; cannot be beaten. It appears in 4 of all 2,598,960 five-card combos (0.0002%, odds against 649739.0 : 1), ranking 1 of 10 by strength.
| Example | A♠K♠Q♠J♠10♠ |
|---|---|
| Strength rank | 1 / 10 |
| Combinations | 4 (out of 2,598,960 five-card hands) |
| Probability | 0.0002% |
| Odds against | 649739.0 : 1 |
| Beats | Straight Flush、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 | None (the strongest hand) |
Figures from lib/poker-math.ts (deterministic)
About this hand
A Royal Flush is the strongest hand in Texas Hold’em, ranked **1 out of 10** in strength. It consists of the A, K, Q, J, and 10 of the same suit and beats all other combinations, including Straight Flushes, Four of a Kind, and High Cards. Among the **2,598,960** possible five-card combinations, only **4** are Royal Flushes, making it exceptionally rare. No other hand can defeat it, underscoring its unmatched dominance in poker.