JJ vs 87s: Odds & Interactive Calculator
| Hand | Win | Tie | Equity |
|---|---|---|---|
| JJ (Pocket Jacks) | 78.8% | 0.4% | 79.0% |
| 87s (Eight-Seven Suited) | 20.8% | 0.4% | 21.0% |
How JJ vs 87s unfolds by street
Pocket Jacks (JJ) is still ahead on 94% of flops against 87s, and the lead survives to the turn on 87%. 87s takes the lead on the other 6% of flops. These figures come from full board enumeration, not a simulation.
| Street | JJ still ahead | 87s flipped the lead |
|---|---|---|
| Flop | 94% | 6% |
| Turn | 87% | 13% |
JJ vs 87s pits a made pair against the best drawing shape in hold'em: JJ wins 78.8%, 87s wins 20.8%, and 0.4% of boards chop. Even at a 3.8-to-1 deficit, 87s keeps about 20.8% because suited connectors attack three ways at once — pairing either card, completing a straight, or filling the flush.
Think in variance terms: 79.0% equity means JJ loses this all-in nearly 21 times in 100, so even a "dominant" spot is a coin you'll see come up tails plenty. Getting it in as the 79.0% favorite is correct every time; the 21.0% that goes the other way is math, not a misplay.
With the overpair, bet big and bet now — 87s has the draws to make your life miserable on later streets, so charging it the maximum before the flush and straight cards arrive is the entire plan. From the connectors' side, the 20.8% equity is real but realized best in position with the chance to fold out the pair, not by stacking off blind.
JJ vs 87s FAQ
Who wins JJ vs 87s preflop?
JJ (Pocket Jacks) is the favorite, winning 78.8% of all runouts, while 87s (Eight-Seven Suited) wins 20.8%. The remaining 0.4% are split pots. Counting splits as half, JJ's preflop equity is 79.0%.
Does the JJ vs 87s 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: JJ's equity runs from 78.4% to 79.5% 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 (JJ leads on 94% of flops) and in multiway pots, where every extra caller takes equity from both hands.
Are suited connectors good against JJ?
Better than almost any other underdog: 87s holds 21.0% equity against JJ 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 JJ hold up against 87s after the flop?
JJ is still ahead on 94% of flops and stays ahead through the turn on 87% of boards; 87s 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
JJ against a range
All-in against one known hand is the textbook case; at the table JJ is usually up against a range. Exact equities, computed over every combo with card removal applied:
- JJ vs calling station — 71.9% against 670 combos (50.5% of hands)
- JJ vs BTN open — 70.9% against 586 combos (44.2% of hands)
- JJ vs SB open — 70.0% against 534 combos (40.3% of hands)
- JJ vs CO open — 68.5% against 366 combos (27.6% of hands)