Block 03 · Poker Preflop Strategy: Ranges & Position

Opening the button: the widest range in poker

Lesson 5 of 13 ~2 min read 20-question test

Why is the button the best position in poker? Because you act last on every postflop street, and that single edge makes your button opening range the widest in the game. Learn how each seat compares in our poker positions guide.

Why the button is king

Win-rate data from millions of tracked hands tells the same story every time: the button shows the biggest profit of any seat, usually by a wide margin. After the flop you act last on every street, so you see what everyone else does before you decide. That information edge is worth so much that it flips marginal hands into clear profits, letting you open a wider range here than from any other position.

The two extremes: pocket aces are always in your button range, while 7-2 offsuit stays in the muck even from here — position widens your range, but not that far.

What "widest range" really means

A standard button opening range is roughly 40-50% of all hands. That includes every pocket pair, every suited ace, most suited kings and broadway combos, all the way down to hands like 76s, 54s, and offsuit broadways like KJo and QTo (see where each sits on our starting hands chart). You are not opening trash for fun — position lets these hands realize their equity far better than they would out of position.

Any suited ace is a button open: nut-flush potential plus an ace makes even A2s clearly profitable here.

The building blocks of the range

Think of the button range in tiers. Premiums (AA-QQ, AK) are always in. Then all remaining pairs, all suited aces, suited broadways and suited kings, offsuit broadways, and suited connectors and gappers down to about 54s. The wider you go, the more the hand relies on position and postflop skill rather than raw strength.

In position, 76s can check back a bricked flop for free, then jam the turn the instant it picks up a straight or flush draw.
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Range trainer

It's folded to you. Given your seat and your two cards, do you open-raise or fold? Drill it until the right answer is instant.

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Folded to you — you're in the Button

Do you open-raise or fold?

Sizing and the players behind

A common button open is 2 to 2.5 big blinds. Only two players remain — the small and big blind — so you steal the blinds often, and when called you have position for the rest of the hand. If the blinds are tight, widen further; if they three-bet aggressively, tighten your weakest offsuit hands first.

KJs: a clean button open — flush potential, straight potential, and top-pair value when it hits.
Before the test — remember
  • The button opens the widest range in poker — roughly 40-50% of hands — because you act last postflop on every street.
  • Include all pairs, all suited aces, suited/offsuit broadways, and suited connectors down to about 54s.
  • Position lets marginal hands realize far more of their equity, turning them profitable.
  • Standard open size is 2-2.5bb; widen versus tight blinds, tighten your weakest offsuit hands versus aggressive three-bettors.
Lesson test · 20 questions

Test yourself

Answer them all — 16/20 to pass. Every answer gets an explanation.

Question 1 / 20 Score 0

Why can you open the widest range in poker from the button?

Review — all 20 questions & answers tap to expand
  1. Why can you open the widest range in poker from the button?

    Answer You act last on every postflop street, giving you an information edge

    Acting last postflop means you see everyone's action before deciding, which is a huge information advantage.

  2. Roughly what percentage of hands is a standard button opening range?

    Answer 40-50%

    A typical button open is around 40-50% of all hands, the widest of any position.

  3. Which of these is a clear button open?

    Answer A2s (suited ace)

    Any suited ace, including A2s, is a standard button open thanks to nut-flush potential.

  4. What does 'realizing equity' mean?

    Answer Capturing the share of the pot your hand's raw equity is worth

    Equity realization is how much of a hand's theoretical equity you actually convert into winnings.

  5. How does position affect a hand's raw equity?

    Answer It does not change raw equity, only how much you realize

    Raw equity is fixed by the cards; position changes how much of that equity you capture.

  6. A common button open size is:

    Answer 2 to 2.5 big blinds

    Opening 2-2.5bb from the button is standard, balancing steal profit with risk.

  7. How many players are left to act when you open on the button?

    Answer Two — the small blind and big blind

    Only the small and big blind remain behind the button, which is why you can steal so often.

  8. Which hand category is always part of the button opening range?

    Answer All pocket pairs

    Every pocket pair, from AA down to 22, is included in a standard button open.

  9. Why are suited connectors like 76s good button opens?

    Answer They make disguised straights and flushes and play well in position

    Suited connectors make well-hidden straights and flushes, and position helps them realize equity.

  10. Against very tight blinds, you should:

    Answer Widen your button opening range to steal more

    Tight blinds fold often, so widening your open captures more uncontested pots.

  11. When the blinds three-bet aggressively, you should first:

    Answer Tighten your weakest offsuit hands

    Weak offsuit hands play worst against three-bets, so they are the first to cut.

  12. Which is the strongest starting hand?

    Answer Pocket aces (AA)

    AA is the best possible starting hand in Texas Hold'em.

  13. KJs is best described as:

    Answer A clean button open with flush and top-pair potential

    KJs opens comfortably from the button with strong flush and top-pair upside.

  14. Which offsuit hand is a reasonable button open?

    Answer KJo

    KJo is a standard offsuit broadway open from the button.

  15. Why is the button called the most profitable seat?

    Answer Guaranteed positional advantage postflop every hand

    The button always has position postflop, which is why it wins the most over time.

  16. Which of these should you generally NOT open from the button?

    Answer 7-2 offsuit

    7-2 offsuit is the weakest starting hand and falls outside even the wide button range.

  17. Suited aces are valuable on the button primarily because of:

    Answer Nut-flush potential plus an ace high card

    Suited aces can make the nut flush, and the ace itself adds showdown value.

  18. A hand that relies most heavily on position and postflop skill is:

    Answer A weak suited connector like 54s

    Marginal hands like 54s depend on position and skill to realize their equity, unlike premiums.

  19. What is the main reward for stealing the blinds from the button?

    Answer Winning the pot uncontested when both blinds fold

    When both blinds fold to your open, you win their forced bets without a fight.

  20. Button hands can realize above 100% of their raw equity because:

    Answer Acting last lets you check back, bluff, and value bet with full information

    Positional control lets you extract extra value and avoid losses, pushing realized equity past raw equity.