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How to Play Heads Up Poker: Rules, Strategy & Common Mistakes


Heads up poker is a one-versus-one poker format, regarded by some as the “purest form of poker”. Heads-up poker strategy features wide ranges and high aggression, making it a thrilling poker experience for novices and experts alike. Here’s a closer look at what makes heads-up poker unique.

Heads Up Poker: Key Points

  • Heads up poker is poker’s version of a duel, featuring only two players.
  • It has a different blind structure than ring games.
  • Playing wide ranges aggressively is vital to a winning strategy.
  • Thanks to relative hand strength changes, marginal hands are much stronger.

What Is Heads-Up Poker?

Heads-up poker is a poker format in which exactly two players face off.

This poker format is strictly one-on-one, meaning no other players are present at the table. Heads-up poker can be played as a cash game between two opponents or as a tournament/sit-and-go; many poker apps offer heads-up tables in either format.

However, it most commonly takes place at the end of a poker tournament when only two players remain.

Mainly due to different blind structures and wider preflop ranges, heads-up poker strategy differs significantly from that in games with multiple opponents.

Heads-Up Betting & Blind Structure Explained

In contrast to the blind structure in a ring game, in heads-up poker, the player on the button also posts the small blind, while their opponent posts the big blind.

This makes the player on the button act first preflop, but last postflop. If the heads-up poker blinds were reversed, the player on the button would have a positional advantage over their opponent both preflop and postflop, making the button too powerful.

In heads-up poker, the blinds are posted every hand, with the players alternating between the two positions. This forces the players to play wider ranges, as folding too often would mean giving up too many blinds uncontested.

How Heads-Up Poker Rules Differ from Ring Games

The most impactful difference between a heads-up poker game and a ring game is the player count. While a ring game usually seats six to nine players at a table, a heads-up game seats only two players.

Having just two players in a game means heads-up poker hand ranges will be wider; compare it to playing small blind versus big blind in a ring game.

Showdown frequencies run higher in heads-up poker games than in ring games as well, as wide ranges make bluffing and bluff-catching an important part of heads-up poker strategy. Meanwhile, the constant positional shifts and battles create a unique dynamic that can not be found in ring games.

💡 Editor Tip
If you’re new to heads-up poker, I strongly suggest starting at the lowest possible stakes. Heads-up is unlike any other poker format – the aggression levels and range adjustments required are significant, and it takes time to get comfortable with both.

Preflop Strategy in Heads-Up Poker

If you’re learning how to play heads up poker, it starts with understanding that preflop strategy revolves around very wide ranges.

The player on the button opens most of their hands.

With a Game Theory Optimal (GTO) approach, this amounts to nearly 80% of hands in a hypothetical mid-stakes cash game, with hands as weak as Q-3 offsuit and 6-4 offsuit always being raised. In rake-free environments such as tournaments, this figure can even reach as high as 93%.

In response, the player in the big blind should defend and 3-bet quite liberally.

Following the same mid-stakes cash game GTO solution, the big blind should only fold around 36% of hands. Meanwhile, over 26% of the big blind’s range consists of 3-bets, mostly consisting of premium hands and suited connectors as low as 8-5 suited.

As such, the biggest takeaway for preflop heads-up poker strategy is not to over-fold. Folding too much preflop causes players to give up their blinds too often, making them bleed money in the long run.

Heads-Up Hand Ranges Explained

Heads-up poker ranges are much wider than in an average ring game.

Aside from the constant pressure of posting blinds every hand, facing only one opponent means you will be up against premium holdings far less often. Because of this, the player on the button in a heads-up poker game will typically raise twice as many hands as in a ring game.

Such wide ranges mean relative hand strength in heads-up poker matches shifts drastically compared to ring games. While the standard hand rankings remain the same, players frequently reach showdown with marginal holdings such as a low pair or a high-card hand, making a hand like top pair much stronger.

Common Heads-Up Poker Mistakes

The following mistakes commonly creep into a player’s strategy when they first dip their toes in heads-up poker:

  • Playing too tight: Remember, you want to be raising the vast majority of hands on the button.
  • Over-folding the big blind: Similarly, folding too many hands in the big blinds will cost a lot of EV.
  • Not adjusting aggression levels: Heads-up poker is a game of aggression. Being too passive can leave you open to being run over by your opponent.
  • Ignoring opponent tendencies: A lot of value may be missed by not adjusting to your opponent’s playstyle.
  • Letting emotions drive decisions: Heads-up poker can be intimidating, with just you and one other opponent battling it out. However, it is important to keep emotions in check, prevent tilt, and always make decisions based on strategy and reason.

Avoiding these common mistakes will give you a head start in heads-up poker and instead make it easier to exploit flaws in your opponent’s game.

Conclusion

Heads-up poker is a whole different experience compared to ring games. Wider preflop ranges and taking more aggressive options are key adjustments to make when developing a heads up poker strategy, keeping in mind the significant positional advantage the player on the button has.

FAQs

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