KJ vs T9s: Preflop Equity & Odds
| Hand | Win | Tie | Equity |
|---|---|---|---|
| KJ (King-Jack) | 61.2% | 0.7% | 61.5% |
| T9s (Ten-Nine Suited) | 38.2% | 0.7% | 38.5% |
Suited vs offsuit: KJ
| Matchup | Win | Tie | Equity |
|---|---|---|---|
| KJs | 63.0% | 0.7% | 63.3% |
| KJo | 60.6% | 0.7% | 60.9% |
How KJ vs T9s unfolds by street
King-Jack (KJ) is still ahead on 72% of flops against T9s, and the lead survives to the turn on 68%. T9s takes the lead on the other 28% of flops. These figures come from full board enumeration, not a simulation.
| Street | KJ still ahead | T9s flipped the lead |
|---|---|---|
| Flop | 72% | 28% |
| Turn | 68% | 32% |
Two unpaired hands with all four ranks live: KJ vs T9s. KJ wins 61.2%, T9s wins 38.2%, and 0.7% of boards chop. The favorite isn't running away with it — 38.2% of the time T9s pairs up first or backs into the better runout — but higher cards making higher pairs is enough to keep KJ in front.
Here's the intuition behind 61.5% to 38.5%: KJ wins roughly 2 of every 3 times the chips go in, but the underdog cashing 38.5% of the time is exactly why you can't slow-play and let it draw for free.
How you play KJ vs T9s depends on which side you hold. With KJ you're not crushing, so keep the pot controllable and take the 61.2% edge to showdown when you can; with T9s, your equity is enough to continue with initiative but thin enough that bloating the pot out of position is a trap.
KJ vs T9s FAQ
Who wins KJ vs T9s preflop?
KJ (King-Jack) is the favorite, winning 61.2% of all runouts, while T9s (Ten-Nine Suited) wins 38.2%. The remaining 0.7% are split pots. Counting splits as half, KJ's preflop equity is 61.5%.
How often does T9s beat KJ?
T9s wins 38.2% of the time all-in preflop against KJ — a genuine underdog, but with enough live outs (about 1 in 3) that the matchup is closer than the favorite would like.
Is KJ vs T9s a good spot to get all-in?
For KJ, yes — a 61.5% favorite should happily commit, especially with fold equity. For T9s at 38.5%, it depends on the price: enough to continue with initiative, but thin enough that stacking off out of position is usually a leak.
Does KJ hold up against T9s after the flop?
KJ is still ahead on 72% of flops and stays ahead through the turn on 68% of boards; T9s takes the lead on the other 28% of flops. These are exact figures from full board enumeration.
Run any matchup in the free equity calculator · AK VS QJ · AK VS QT · AQ VS KJ · AQ VS KT · AQ VS JT · AJ VS KQ