99 UTG on AJ6r: Respect the Check-Raise

Hero
9♦9♠
Position
UTG vs BB
Pot
Single-Raised Pot
Flop
6♦ J♥ A♠

Folding an underpair to a large check-raise on an Ace-high board is the correct way to preserve your stack.

Flop Analysis

Auto-played to reach this drill spot — you didn't act here, so it isn't scored.

Flop Analysis

Folding is the only viable play here. When the BB check-raises a large sizing on this dry board, our underpair is crushed by their value range and lacks the equity to continue. **Ranges:** The BB's raise represents significant strength, often holding Ax, two pair like AJ/J6s, or sets of 66. While they may have occasional gutshots like KQ or QT, our 99 blocks very few of their bluffs and loses to all their value. **Math:** We need roughly 34% equity to call, but against a range that is heavily weighted toward top pair or better, our underpair only realizes about 24% equity. The shallow SPR (1.25) means we are effectively playing for stacks if we continue. **Plan:** By folding here, we preserve 20BB for future hands. Calling would force us into a difficult guessing game on the turn where we are frequently drawing to only two outs. --- > **Takeaway:** Don't marry underpairs on Ace-high boards when facing significant aggression; the range advantage shifts rapidly once the opponent check-raises.

Key Concepts

  • 6.2
  • Hero Strong Advantage
  • IP
  • Dry Board
  • LEAN TOWARD AGGRESSION