KK vs JTs: Odds & Interactive Calculator
| Hand | Win | Tie | Equity |
|---|---|---|---|
| KK (Pocket Kings) | 80.0% | 0.4% | 80.2% |
| JTs (Jack-Ten Suited) | 19.6% | 0.4% | 19.8% |
How KK vs JTs unfolds by street
Pocket Kings (KK) is still ahead on 94% of flops against JTs, and the lead survives to the turn on 88%. JTs takes the lead on the other 6% of flops. These figures come from full board enumeration, not a simulation.
| Street | KK still ahead | JTs flipped the lead |
|---|---|---|
| Flop | 94% | 6% |
| Turn | 88% | 12% |
KK vs JTs is the "big pair against live cards" spot: KK wins 80.0%, JTs wins 19.6%, and 0.4% of boards chop. Suited connectors are the single best class for cracking an overpair — two live ranks, straight potential off the Jack-Ten connectedness, 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, KK carries 80.2% equity and JTs 19.8%. Against a pot-sized shove you need about 33% to call and about 25% versus a half-pot bet — so JTs needs real fold equity, not just its raw share, to justify stacking off.
KK should play this fast and deny equity: every free card helps JTs 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 19.6% — the hand's value is in the pots you take away postflop, not in flipping all-in preflop.
KK vs JTs FAQ
Who wins KK vs JTs preflop?
KK (Pocket Kings) is the favorite, winning 80.0% of all runouts, while JTs (Jack-Ten Suited) wins 19.6%. The remaining 0.4% are split pots. Counting splits as half, KK's preflop equity is 80.2%.
Does the KK vs JTs 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: KK's equity runs from 79.7% to 80.8% 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 (KK leads on 94% of flops) and in multiway pots, where every extra caller takes equity from both hands.
Are suited connectors good against KK?
Better than almost any other underdog: JTs holds 19.8% equity against KK 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 4.1-to-1 favorite.
Does KK hold up against JTs after the flop?
KK is still ahead on 94% of flops and stays ahead through the turn on 88% of boards; JTs 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
KK against a range
All-in against one known hand is the textbook case; at the table KK is usually up against a range. Exact equities, computed over every combo with card removal applied:
- KK vs calling station — 78.7% against 670 combos (50.5% of hands)
- KK vs BTN open — 77.7% against 586 combos (44.2% of hands)
- KK vs SB open — 77.2% against 534 combos (40.3% of hands)
- KK vs CO open — 76.7% against 366 combos (27.6% of hands)