Which hands should I raise preflop in HU?

As the button, you can raise with about 60-80% of starting hands, including all pairs, Ax, suited connectors, and some junk hands. But avoid overdoing it with very poor hands (like 72o) as they are difficult to play postflop. As the big blind, when facing a button raise, defend with about 40-60% of hands, focusing on connected or blocking hands like suited connectors or small Ax.

How to deal with frequent continuation bets in HU?

As the big blind, when facing a continuation bet, avoid folding too much. Generally, call with medium-strength hands (like middle pair, bottom pair with a gutshot) and check-raise with some air hands (like reverse blockers). Also, when the flop is very connected, you can be more aggressive. Additionally, observe opponent's c-bet frequency; if it's too high, increase your check-raise frequency.

Do I need to adjust my strategy with different stack depths in HU?

Yes. With deep stacks (100BB+), ranges can be wider, but be cautious postflop and avoid committing too many chips with marginal hands. With short stacks (below 20BB), preflop play becomes more polarized, typically using a shove-or-fold strategy because position value decreases. With medium stacks, balance aggression and control.

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Heads-Up Strategy Special: Offense and Defense Logic of 1v1

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In-depth analysis of the offense and defense logic of heads-up situations in Texas Hold'em, covering core concepts such as position advantage, range adjustment, and bet sizing, helping you build an advantage in heads-up play.

Heads-Up Strategy Guide

I. Definition

Heads-Up refers to a poker situation with only two players involved, commonly seen in the final stage of SNGs (single-table tournaments), cash game heads-up tables, or the last two players in a tournament. Compared to multiway pots, HU play is more direct and higher frequency, as every hand directly determines the outcome. Due to the absence of intermediate players, factors such as range, position, and aggression become amplified.

II. Core Principles

1. Position is Crucial

In HU, the button/dealer always has last action postflop. The button can choose to raise or limp every hand, while the big blind (BB) is forced to defend. An effective strategy is: the button should raise with a wider range, typically about 60-80% of starting hands; the big blind should tighten their defending range, but still wide enough to avoid being exploited, for example, defending with about 40-60% of hands.

2. Polarized vs. Linear Ranges

Facing a preflop raise, the BB's 3-bet range should be more polarized (mixing value hands and bluffs), while the button's 4-bet range facing a 3-bet also needs to be balanced. Since the positional advantage is easier to realize equity with deep stacks, the BB needs to bluff more frequently or counterattack.

3. Postflop Aggression

In HU, the continuation bet (C-bet) frequency is typically very high, around 70-80% on the flop. This is because the button's range is wider, and many unimproved hands can still represent strength through betting. The BB needs to learn to raise or check-raise at appropriate times to protect their range.

4. Pot Size Control

In HU, the pot can inflate quickly, and players' hand strength fluctuates greatly. Value betting can include medium-strength hands for thin value, while bluffs should be selected from hands with blockers or drawing potential. Avoid overplaying marginal hands out of position.

III. Practical Example

Example Scenario (deep stack, ~100 BB each, HU, button raises to 2.5 BB with A♠5♠, big blind calls. Flop: K♥9♣2♦)

Button's thought process: This is a dry board. My range contains many Kx hands, pairs, and complete misses. A continuation bet of about two-thirds pot, representing Kx or an overpair, can force the opponent to fold small pairs or high cards. Although A-high has some showdown value, betting more frequently maximizes aggression.
Big blind's thought process: I might hold a middle pocket pair or hands like JTs. If I called preflop, facing this C-bet, I can call with medium-strong hands like 99/TT, or raise with pure bluffs (like 56s). However, note that the button often bets with air, so raising requires caution.

(Note: This example is for instructional purposes only; actual decisions should consider opponent tendencies.)

IV. Common Mistakes

Mistake 1: Preflop Raising Too Loose or Too Tight

Some players are overly aggressive in HU, raising with any two cards, leading to difficult postflop situations; others are too conservative, only playing big hands. The correct approach: button range around 60-80%, BB defense around 40-60%, adjusted based on opponent.

Mistake 2: Not Adjusting Postflop Frequency

The C-bet frequency from multiway tables does not apply in HU. Flop C-bet frequency should be higher in HU, but turn and river frequencies need adjustment based on board texture and opponent tendencies.

Mistake 3: Ignoring Position Value

Even with the same preflop hand, positional advantage postflop is enormous. Many players call too many weak hands in the big blind, becoming passive postflop. They should 3-bet or fold more frequently.

Mistake 4: Overplaying Small Cards

In HU, small pairs or suited connectors often become medium-strength hands postflop. Don't always aim to reach showdown; learn to bluff in position and fold out of position.

V. Summary

The core of heads-up strategy is aggression, positional awareness, and range adjustment. The button should leverage position to widen their raising range, while the big blind must balance defense with counterattacks. High-frequency postflop C-bets are recommended, but with attention to pot control. Avoid common mistakes and improve through practice, gradually enhancing understanding of ranges, frequencies, and exploiting opponents.

Remember, HU is the purest one-on-one battle in poker, with the ultimate goal of exploiting your opponent's weaknesses while protecting your own strategy from being exploited.

FAQ

: As the button, you can raise with about 60-80% of starting hands, including all pairs, Ax, suited connectors, and some junk hands. But avoid overdoing it with very poor hands (like 72o) as they are difficult to play postflop. As the big blind, when facing a button raise, defend with about 40-60% of hands, focusing on connected or blocking hands like suited connectors or small Ax.