QQ vs 64s: Odds & Interactive Calculator

HandWinTieEquity
QQ (Pocket Queens)79.0%0.4%79.2%
64s (Six-Four Suited)20.6%0.4%20.8%

How QQ vs 64s unfolds by street

Pocket Queens (QQ) is still ahead on 94% of flops against 64s, and the lead survives to the turn on 88%. 64s takes the lead on the other 6% of flops. These figures come from full board enumeration, not a simulation.

StreetQQ still ahead64s flipped the lead
Flop94%6%
Turn88%12%

Put an overpair in against suited connectors and QQ vs 64s is the result: QQ wins 79.0%, 64s wins 20.6%, and 0.4% of boards chop, a 3.8-to-1 edge. Suited connectors are the single best class for cracking an overpair — two live ranks, straight potential off the Six-Four gap, and a flush draw stack up to about 1 win in 5, well above what an offsuit holding manages here.

Translate that into a decision and it's simple pot-odds math: counting split pots as half, QQ carries 79.2% equity and 64s 20.8%. Against a pot-sized shove you need about 33% to call and about 25% versus a half-pot bet — so 64s needs real fold equity, not just its raw share, to justify stacking off.

QQ should play this fast and deny equity: every free card helps 64s more than it helps you. If you're the one with the suited connectors, lean on implied odds and fold equity rather than the raw 20.6% — the hand's value is in the pots you take away postflop, not in flipping all-in preflop.

QQ vs 64s FAQ

Who wins QQ vs 64s preflop?

QQ (Pocket Queens) is the favorite, winning 79.0% of all runouts, while 64s (Six-Four Suited) wins 20.6%. The remaining 0.4% are split pots. Counting splits as half, QQ's preflop equity is 79.2%.

Does the QQ vs 64s probability change all-in preflop?

No. Once both hands are all-in preflop the odds are set by the cards alone — position, stack size and who bet first change nothing. The only thing that moves the number is suits: QQ's equity runs from 78.6% to 79.7% depending on how many suits the two hands share, which is why different sites quote slightly different figures. It does change once board cards are dealt (QQ leads on 94% of flops) and in multiway pots, where every extra caller takes equity from both hands.

Are suited connectors good against QQ?

Better than almost any other underdog: 64s holds 20.8% equity against QQ thanks to its straight and flush potential — roughly 1 win in 5. That equity is realized best with position and fold equity postflop, not by jamming all-in preflop where the overpair is a 3.8-to-1 favorite.

Does QQ hold up against 64s after the flop?

QQ is still ahead on 94% of flops and stays ahead through the turn on 88% of boards; 64s takes the lead on the other 6% of flops. These are exact figures from full board enumeration.

Run any matchup in the free equity calculator · AA VS 54S · AA VS 87S · AA VS 98S · AA VS T9S · AA VS JTS · AA VS 75S

QQ against a range

All-in against one known hand is the textbook case; at the table QQ is usually up against a range. Exact equities, computed over every combo with card removal applied:

All 200+ hand-vs-range matchups →