How to Play Heads-Up Poker: Rules, Strategy & Winning Tips

Heads-up poker is, in many ways, the purest form of poker. Unlike full-ring and six-max games, where you can sit back and wait, heads-up poker is a relentless battle between you and one other player.

It's relentless because you've got nowhere to hide. You're always in the blinds, so waiting for premium hands isn't an option. To win, you need to seize opportunities.

This guide will show you how to play heads-up poker, but more importantly, teach you skills that will help you capitalize on the mistakes your opponent makes.

Heads-up poker is played one-on-one and that makes it often more aggressive and more psychological, and sometimes even more strategic than traditional full-ring formats. To win, you’ll need to master hand ranges, bet sizing, player reads, and dynamic adjustments.

Before we talk heads-up poker strategy, let's quickly run through the rules:

• A head-up game involves two players.

• Both players post blinds before any hole cards are dealt.

• The player who posts the small blind also has the dealer button.

• The player with the dealer button is "in position," which means they act first before the flop and close the action after the flop.

• The blinds and dealer button switch after every round.

Here's how a round of heads-up poker plays out using the basic rules we've just outlined:

The Set-Up

• Poker Variant = Texas Hold'em

• Stakes = $1/$2

• Player 1 posts the $2 big blind

• Player 2 posts the $1 small blind

• Each player receives two hole cards

Pre-Flop Betting Round: $3 in the pot

• Player 2 is on the button and acts first by raising to $6

• Player 1 calls from the big blind

Flop Betting Round: $12 in the pot

Community cards = 4♣ 7♦ K♠

Player 1 acts first and checks

Player 2 bets $10

Player 1 calls $10

Turn Betting Round: $32 in the pot

Community cards = 4♣ 7♦ K♠ 8♦

• Player 1 checks

• Player 2 checks

River Betting Round: $32 in the pot

Community cards = 4♣ 7♦ K♠ 8♦ 2♠

• Player 1 bets $15

• Player 2 calls $15

Showdown: $62 in the pot

• Player 1 shows 5c 6d for a straight 4♣ 5♣ 6♦ 7♦ 8♦

• Player 2 shows As Kh for a pair of kings K♥ K♠ A♠ 8♦ 7♦

Result:

• Player 1 wins $62 with a straight

This hand example shows how positional advantage and disguised draws with consistent aggression can win big pots in heads-up poker.

That's how the action goes in heads-up poker games. As you can see, you're always in the blinds and, therefore, always having to make a decision whether to call, bet, raise, or fold.

But, playing heads-up poker requires more than an understanding of the rules. In fact, to be successful, you need to progress beyond the basics.

What do we mean by the basics? If you read any of our poker strategy articles, you'll see that we typically advocate a tight-aggressive strategy whereby you raise with a strong hand and fold weak hands before the flop.

That strategy will only get you so far in a heads-up match. Unless the deck slaps you in the face with a run of amazing cards, the blinds will eat away at your stack if you play too tight.

Here's how to avoid this mistake and play heads-up poker like a pro:

The best heads-up poker players avoid blinding out by doing two things:

1. They widen their opening range, which means they call and raise with more starting hands.

2. They adjust their range in line with the game's dynamics.

You can only adjust your opening range if you have a standard selection of starting hands. Although every situation is different, a basic opening (aka raising) range from the button depends on your bet size.

In most cases, we recommend opening for 2.5x or 3x the big blind if you're a newbie. This puts more pressure on an opponent, which increases your chances of winning before the flop. As you get more experienced, you might want to experiment with raising 2x.

The recommended opening ranges based on your raise size are:

• 2x raise from the button = 90% of all possible starting hands

• 2.5x raise from the button = 80% to 90% of all possible starting hands

• 3x raise from the button = 70% to 80% of all possible starting hands

You can use a free range calculator, such as Poker Hand Range, to play around with the percentages and see which hands it includes/excludes.

Once you've got your starting range, you need to adjust it as the match develops. You might want to reduce the size of your raise because the opponent is being aggressive. You might want to remove some weaker hands from your range because you've got a short stack.

Any change in the game's dynamic can affect your range. Skilled heads-up poker players know when to adjust. They also know how to switch things up before their opponent and, therefore, dictate the pace of play.

The button is always the strongest position in poker. This applies to heads-up poker as much as six-max and full-ring games. That's why the majority of your moves should be done from the button.

You should never say never when it comes to poker strategy, but it's almost always true that raising is better than limping from the button. You only have one player's hand to think about, and they're out of position.

These are the perfect conditions for raising. The thing you need to consider before you raise is your opponent's 3-betting frequency. If they 3-bet a lot, you might consider limping with some of the weaker hands you'd fold to a raise. Against aggressive opponents, you can even induce light 3-bets by raising weaker hands and then punish them with re-raises or post-flop traps using position.

We say "some" because you don't want to limp all of your weak hands and raise the strong ones. That makes you easier to read. So, if you aren't prepared to play 3-bet pots, mix in some limps with a few of your weak hands. You can also 4-bet with a wider range, so you don't get overwhelmed.

The reality is that most hands go to the flop in heads-up poker. Therefore, you have to be comfortable playing raised pots. The secret to success in raised pots is finding the right balance between attack and defence.

There's more money in the middle when you're playing raised pots. Therefore, you don't want to overcommit with mediocre hands. Similarly, you don't want to play draws too passively when the stack-to-pot ratio is low.

To sum up, you should think like this:

• If you've got a weak or a medium-strength hand that you're not willing to commit your stack with, use checks and calls to control the size of the pot.

• If you've got a strong draw or a made hand, bet and raise as much as possible. Suited connectors and overcards with backdoor draws along with combo draws are perfect hands to semi-bluff post-flop, especially in position. The pot odds will be attractive because there was a pre-flop raise. That makes your opponent more likely to call.

The final heads-up poker skill to master is reading your opponent. This means noting their tendencies so that you can exploit them later in the match. The main things to look for when it comes to reading poker players are:

Raise vs. Call Frequency

The number of times they raise vs. call. Players who raise more often than the call are classed as aggressive. Players who call (and check) more often are passive. The best way to exploit aggressive players is to trap them. The best way to exploit passive players is to bet and bluff more often.

Timing Tells

The time it takes for your opponent to act. Timing tells are far from reliable, but it's generally true that players who call or raise quickly usually have a strong hand or strong draw. Pauses after the flop followed by quick turn calls often indicate a player on a draw. Insta-calls on the river can suggest bluff-catchers. Players who take slightly longer to act may be bluffing or deciding whether the pot odds are good enough to call.

Past Hands

The hands someone shows. Take note of every hand someone has at a showdown. This will give you an insight into their betting, calling, and raising range.

Be aware that a formidable opponent will mix up their range. They'll remember the hands they've shown, and use that to their advantage. However, as a general rule, the hands people show give you a good indication of the hands they'll play in the future.

Heads-up poker is as much about flow as your hole cards. The fact that you're always in a position to act means you can't wait for premium hands. This forces you into a battle of wits against your opponent.

When you sense they're playing loose, you need to tighten up. When they're playing tight, you need to be aggressive. The player who ebbs and flows the best usually wins a heads-up game.

So, if you take just one thing from this guide, it's that you should focus less on your cards and more on your opponent. Get that right, and you'll be well on your way to heads-up success.