A♦9♣ BB vs SB, preflop, 80 bb
The spot
- You: BB
- Opponent: SB
- Your hand: A♦9♣
- Board: preflop, no board yet
- Effective stack: 80 bb
- Pot: 5 bb
Folded to hero preflop in 6‑max.
What is the strongest default preflop action?
See the answer
Best play: Raise / 3-bet
Why
Hero holds A‑9 offsuit (A♦9♣) in the BB and it folds to hero, so this is a first-in open, not a steal in late position. In the SB-vs-BB battle A9o is a comfortable open: the ace gives top-pair and dominating-kicker equity over the villain range and a strong A-blocker that reduces their premium ace holdings. Raising claims the pot now and sets up a hand that flops top pair often.
Key idea
When folded to in the blind battle, offsuit aces like A9o are clear opens, not check-fold steals: the ace blocker plus top-pair equity is plenty of reason to raise first-in.
Common mistake
Folding A9o or framing it as a pure-bluff steal that must check-fold: in the blind battle it is an outright value open, and there is no opener to bluff.