HPD learning room · Omaha eight-or-better

Omaha Hi-Lo rules: build the low, then divide the pot

A hand can win high and lose low. It can win low and receive only a quarter of the pot. It can also win everything with a straight that doubles as the best low. Omaha Hi-Lo becomes easier to read once you stop trying to give the entire hand one label.

This lesson covers four-card Omaha eight-or-better, also called Omaha/8 or O8. You will build each player’s high and low separately, decide whether a low exists, and award exact shares. Keep a pencil nearby. Ace already tried splitting the counters before looking at the cards. We sent him back to the start. He took it well, mostly.

A teacher separates blue and gold study counters while Ace the HPD spade examines the trays with a magnifying glass.
High and low are separate comparisons. Build a legal hand for each.

Jump to the game profile, qualifying low, low rankings, pot shares, counterfeit cards, or six showdown exercises.

Start with the right game profile

Each player receives four private cards. The shared board grows to five cards over the flop, turn and river. Every completed high hand uses exactly two private cards and exactly three board cards. Every low hand follows the same construction rule. You cannot use one private card, three private cards, or the entire board for either result.

High and low are separate searches. You may choose a different private pair and a different board triple for each. You may also use the same cards for both. A card used in your high hand remains available when you evaluate your low; nothing is used up. That point matters when a wheel is both a straight for high and an excellent low.

The betting example here uses fixed-limit O8. In a 2/4 limit structure, the ordinary bet and raise increment is 2 chips before the flop and on the flop, then 4 on the turn and river. The second number is the later-street bet size. Check the table’s blind amounts, raise cap and all-in procedures separately. Those details are not determined by the words “eight-or-better.”

Omaha Hi-Lo can also use pot-limit or no-limit betting. Changing the betting structure does not change the low qualifier or the two-plus-three rule. This page does not treat “Omaha” as a promise of pot-limit betting. Nor does a four-card PLO label, by itself, create a low half.

If selecting exactly two private cards still feels awkward, work through the four-card Omaha hand-construction lesson first. Its high-hand construction carries over here. The split-pot objective is the extra job.

Follow the deal without changing the card-use rule

  1. The small and big blinds start the hand. Each player gets four private cards, followed by preflop betting. At a table with three or more players, the first preflop decision starts with the player after the big blind.
  2. The flop exposes three shared cards. After the flop, turn and river, betting starts with the first remaining player clockwise from the button.
  3. The turn adds a fourth board card; the river adds the fifth. You gain choices, not permission to use more board cards. Your final hand still contains three of them.
  4. If more than one player remains at showdown, compare legal high hands, then qualifying low hands. If everyone else folds, the remaining player wins the pot without needing a low.

The exercises below begin at showdown, with everyone eligible for one common pot. Each pot contains 120 chips ready for distribution, with no fee, side pot or odd chip to resolve. These are hand-reading exercises, not forecasts of how often a holding wins.

What counts as a qualifying low?

A low needs five different ranks, all eight or lower. Ace counts as one. A pair disqualifies that particular five-card selection, even if every card is small. A nine is too high. You cannot submit four low cards and leave the fifth space empty.

Those five ranks must come from a legal Omaha selection. Holding A-2-3 does not let you supply three private ranks and take just two from the board. The final low needs two of your private cards and three community cards, just like the high hand.

Candidate lowResultReason
8-7-5-3-AQualifiesFive different ranks, none above eight
9-4-3-2-ADoes not qualifyThe nine exceeds the qualifier
7-4-2-2-ADoes not qualifyThe two is repeated
5-4-3-2-AQualifiesA straight is allowed for low
8-6-4-3-2, all one suitQualifiesA flush is allowed for low

Count distinct low ranks on the board before you inspect private cards. Fewer than three means a qualifying low is impossible. A board of 2♣ 2♦ 7♥ K♠ Q♦ contains three small cards but only two different small ranks. Every low-looking triple includes a duplicate or a high card, so there is no low.

Three distinct low ranks on the board make low possible, not automatic. The player still needs a suitable private pair. On A♣ 2♦ 7♥ K♠ Q♦, private 3♠ 4♠ can form 7-4-3-2-A. Private A♥ 3♣ cannot make a low using A-2-7: the resulting five cards repeat the ace. Another usable pair among that player’s four cards might fix the problem; inspect the whole holding.

A paired board is therefore not a blanket ban on low. On 3♣ 4♦ 5♥ K♥ K♣, you can choose the three different small ranks and ignore both kings for low. The same kings may be very useful when you build high.

Read low hands from the largest rank down

Write each qualifying low in descending order and compare the first place where the ranks differ. The smaller rank at that position wins. Start with the largest card, not with the ace. An ace does not rescue an otherwise worse low.

For example, 7-6-5-4-2 beats 8-4-3-2-A immediately: seven is lower than eight. For 8-5-3-2-A against 8-5-4-2-A, the eight and five tie. The next comparison is three against four, so 8-5-3-2-A wins. Adding the card values together would give you the wrong method; low hands are compared one rank at a time.

The best possible low is 5-4-3-2-A, the wheel. Suits never break a low tie. Two players with the same five low ranks have equal lows even when their suits differ. Extra unused private cards do not provide a sixth-card tiebreaker.

For the high half, use ordinary poker rankings. Straights and flushes count there, and an ace may be high or low in a straight. The same 5-4-3-2-A combination is a five-high straight for high. It will lose high to a better straight, flush or stronger hand, while still being the best possible low. “Nut low” describes the low comparison only.

Split the pot only after both comparisons

First find the best high hand. Then ask whether anyone who remains eligible has a qualifying low. If nobody does, the best high hand receives the entire pot. If a qualifying low exists, reserve half for high and half for low. Ties are resolved within each half.

Result in a 120-chip potDistribution
One high winner; a different sole low winner60 chips each
One player wins high and low120 chips to that player: a scoop
One high winner also ties low with one opponent90 chips to the high winner; 30 to the other low winner
One high winner; two other players tie low60 to high; 30 to each low winner
No qualifying low; two players tie high60 chips to each high winner

Being quartered means receiving one quarter of the entire pot, usually by tying for one half while losing the other. It does not mean you had the fourth-best hand. In a heads-up showdown, a player can hold the best possible low, tie that low, lose high, and receive just 30 of our 120 chips.

The arithmetic works in either direction. If two players tie high and only one of them wins low, the sole low winner receives three quarters. If the same two players tie both halves, each receives half overall. With three tied winners on the low side, each receives one sixth of the total pot before any high award is added.

Keep separate pots separate. In an all-in hand, a player can be eligible for the main pot without being eligible for a side pot. Apply the high/low comparison among the eligible players for each pot. House rules decide indivisible odd chips; these examples deliberately avoid that extra procedure.

A counterfeit card can change the winner

A new community card that repeats a useful low rank from your private cards can reduce the value of that private holding. Players call this counterfeiting. The careful question is what legal low each player can now make, rather than whether a familiar A-2 holding still looks attractive.

Your best already-made low cannot become numerically worse merely because a fourth or fifth board card was added. You are still allowed to choose the earlier three board cards. What can change is your standing: an opponent may use the new card to make a better low, or more opponents may now tie yours. A pair appearing in one possible selection does not force you to choose that selection.

Extra useful low ranks among your private cards can provide another legal pair after such a change. They are often called backup low cards. The backup is useful only when you can demonstrate a better two-plus-three selection. It is not automatic protection, and it is not permission to play three private cards.

A three-panel comic shows the adult teacher and Ace the HPD spade checking a hand, noticing a new card, and revisiting their checklist.
A new board card can change who has the best low. Check again.

Exercise six shows the distinction card by card. Ada keeps her old eight-low after an ace arrives, but Ben gets a new six-low. Then we change one private card in a separate version and see why Ada’s backup five matters to both halves.

Six showdown exercises

Before opening each answer, write two lines for each player: a best high selection and a best qualifying low selection, if one exists. Name the two private cards and the three board cards on each line. Then divide 120 chips. The card symbols are suits; 10 means ten. The illustrations above are companions to the lesson, not card diagrams.

1. Can one player use different pairs to scoop?

Board: 3♣ 4♦ 5♥ K♥ K♣.

Ada holds: A♠ 2♠ K♦ K♠.

Ben holds: A♥ 6♥ Q♦ Q♥.

Ada has a strong high combination and a low combination hiding in the same four cards. Does she have to choose which half to contest? Identify Ben’s best hand on each side before awarding the pot.

Reveal exercise 1: high, low and the full pot
AdaBest legal hand
HighHole cards K♦ K♠ + board cards 5♥ K♥ K♣. Four kings, 5 kicker.
LowHole cards A♠ 2♠ + board cards 3♣ 4♦ 5♥. 5-4-3-2-A low.
BenBest legal hand
HighHole cards Q♦ Q♥ + board cards 5♥ K♥ K♣. Kings and queens, 5 kicker.
LowHole cards A♥ 6♥ + board cards 3♣ 4♦ 5♥. 6-5-4-3-A low.
PlayerHigh shareLow shareTotal from 120 chips
Ada1/21/2120 chips (1 of the pot)
Ben000 chips (0 of the pot)

Ada uses K♦ K♠ for high and A♠ 2♠ for low. Her four kings beat Ben’s kings and queens. Her wheel beats his six-low. She wins both 60-chip halves, for 120 chips. There is no requirement to declare a single private pair that must serve both purposes.

Ben cannot combine his A♥ with Ada’s 2♠. Only the board is shared. His private ace-six pair supplies a valid low, but qualifying is only the entrance test; the resulting low still has to beat Ada’s.

2. Both lows begin eight-five. Which one wins?

Board: 2♣ 5♦ 8♥ K♠ Q♣.

Ada holds: A♠ 3♠ K♦ J♥.

Ben holds: A♦ 4♥ Q♦ Q♥.

Compare the full five-rank lows. Then check high without assuming the low winner also has the better high hand.

Reveal exercise 2: compare the third low rank
AdaBest legal hand
HighHole cards A♠ K♦ + board cards 8♥ K♠ Q♣. Pair of kings, a-q-8 kickers.
LowHole cards A♠ 3♠ + board cards 2♣ 5♦ 8♥. 8-5-3-2-A low.
BenBest legal hand
HighHole cards Q♦ Q♥ + board cards 8♥ K♠ Q♣. Three queens, k-8 kickers.
LowHole cards A♦ 4♥ + board cards 2♣ 5♦ 8♥. 8-5-4-2-A low.
PlayerHigh shareLow shareTotal from 120 chips
Ada01/260 chips (1/2 of the pot)
Ben1/2060 chips (1/2 of the pot)

Ada’s low is 8-5-3-2-A; Ben’s is 8-5-4-2-A. Eight ties eight, five ties five, then three beats four. Ada takes the low half. Ben’s three queens beat Ada’s pair of kings, so he takes high. Each receives 60 chips.

Ben cannot replace his four with a queen to improve low, because the queen exceeds eight. Ada’s king is useful for high but not low. Reading the two objectives separately prevents the stronger-looking private high cards from distracting you during the low comparison.

3. What happens when the board cannot support low?

Board: K♥ K♦ Q♣ J♠ 9♥.

Ada holds: K♣ K♠ A♠ 2♠.

Ben holds: Q♦ Q♥ A♦ 3♣.

Ada holds A-2. Does that reserve half the pot for her low? Work out the strongest high hand for each player, including the kicker where it matters.

Reveal exercise 3: high receives the whole pot
AdaBest legal hand
HighHole cards K♣ K♠ + board cards K♥ K♦ Q♣. Four kings, q kicker.
LowNo qualifying low.
BenBest legal hand
HighHole cards Q♦ Q♥ + board cards K♥ K♦ Q♣. Queens full of kings.
LowNo qualifying low.
PlayerHigh shareLow shareTotal from 120 chips
Ada10120 chips (1 of the pot)
Ben000 chips (0 of the pot)

No board card is eight or lower. Neither player can supply the required three low board ranks, regardless of their private cards. Ada’s four kings beat Ben’s queens full of kings, so she receives all 120 chips through high.

A low half is not set aside and left unclaimed. It exists only when an eligible player actually qualifies. Ada’s A♠ 2♠ is unused in her winning high hand, and contributes no separate low award.

4. A low-looking board still needs the right private pair

Board: A♣ 2♦ 7♥ K♠ Q♦.

Ada holds: A♥ 9♣ 10♠ J♦.

Ben holds: K♦ K♣ Q♠ 9♠.

The board contains an ace, a two and a seven. Check whether either player can use exactly two private cards to complete a low. For high, look past Ada’s paired ace.

Reveal exercise 4: Broadway wins a high-only result
AdaBest legal hand
HighHole cards 10♠ J♦ + board cards A♣ K♠ Q♦. A-high straight.
LowNo qualifying low.
BenBest legal hand
HighHole cards K♦ K♣ + board cards A♣ K♠ Q♦. Three kings, a-q kickers.
LowNo qualifying low.
PlayerHigh shareLow shareTotal from 120 chips
Ada10120 chips (1 of the pot)
Ben000 chips (0 of the pot)

Ada has only one private rank at or below eight, her ace. Ben has none. Neither can supply two qualifying private ranks, so there is no low. Ada uses 10♠ J♦ with A♣ K♠ Q♦ for an ace-high straight. That beats Ben’s three kings, and Ada receives 120 chips.

The board passed the first low test, but both players failed the second. This is why “three low cards on the board” cannot be used as a shortcut for splitting the pot. It also shows why you should search all private pairs for high: Ada’s straight is better than the pair of aces you might notice first.

5. Best low, but only a quarter

Board: 3♣ 4♦ 8♥ K♠ Q♣.

Ada holds: A♠ 2♠ K♦ K♥.

Ben holds: A♥ 2♥ Q♦ Q♥.

Both players have A-2. Work out whether their low hands tie, who wins high, and why the final distribution is not 60 chips each.

Reveal exercise 5: 90 chips and 30 chips
AdaBest legal hand
HighHole cards K♦ K♥ + board cards 8♥ K♠ Q♣. Three kings, q-8 kickers.
LowHole cards A♠ 2♠ + board cards 3♣ 4♦ 8♥. 8-4-3-2-A low.
BenBest legal hand
HighHole cards Q♦ Q♥ + board cards 8♥ K♠ Q♣. Three queens, k-8 kickers.
LowHole cards A♥ 2♥ + board cards 3♣ 4♦ 8♥. 8-4-3-2-A low.
PlayerHigh shareLow shareTotal from 120 chips
Ada1/21/490 chips (3/4 of the pot)
Ben01/430 chips (1/4 of the pot)

Both lows are 8-4-3-2-A. Suits do not separate them. Ada’s three kings beat Ben’s three queens, so she receives all 60 high chips. The 60-chip low half is divided equally: another 30 to Ada and 30 to Ben. Ada gets 90; Ben gets 30. Ben has been quartered despite sharing the best low.

Now try a separate three-player version on the same board. Ada holds A♠ 2♠ 9♦ 9♥; Ben still holds A♥ 2♥ Q♦ Q♥; Cora holds A♦ 5♦ K♦ K♥. All three are eligible for the same 120 chips.

AdaBest legal hand
HighHole cards 9♦ 9♥ + board cards 8♥ K♠ Q♣. Pair of nines, k-q-8 kickers.
LowHole cards A♠ 2♠ + board cards 3♣ 4♦ 8♥. 8-4-3-2-A low.
BenBest legal hand
HighHole cards Q♦ Q♥ + board cards 8♥ K♠ Q♣. Three queens, k-8 kickers.
LowHole cards A♥ 2♥ + board cards 3♣ 4♦ 8♥. 8-4-3-2-A low.
CoraBest legal hand
HighHole cards K♦ K♥ + board cards 8♥ K♠ Q♣. Three kings, q-8 kickers.
LowHole cards A♦ 5♦ + board cards 3♣ 4♦ 8♥. 8-5-4-3-A low.
PlayerHigh shareLow shareTotal from 120 chips
Ada01/430 chips (1/4 of the pot)
Ben01/430 chips (1/4 of the pot)
Cora1/2060 chips (1/2 of the pot)

Cora wins high with three kings but her 8-5-4-3-A low loses to the matching A-2 lows. She receives 60 chips. Ada and Ben each receive 30. Quartering is about the share of the whole pot, not about the number of players left in the hand.

6. The river repeats Ada’s ace

Start on the turn with board 3♣ 4♦ 8♥ K♠. Ada holds A♠ 2♠ Q♦ Q♥. Ben holds 5♥ 6♥ K♦ K♣. Ada currently has the better made low; Ben has the better made high. The river is A♣.

Board: 3♣ 4♦ 8♥ K♠ A♣.

Ada holds: A♠ 2♠ Q♦ Q♥.

Ben holds: 5♥ 6♥ K♦ K♣.

Does Ada lose the ability to make a low, keep the winning low, or keep a low that now loses? Then consider a separate version in which Ada’s Q♦ is replaced by 5♦. Everything else stays the same.

Reveal exercise 6: the old low survives, but the winner changes

On the turn, Ada’s high uses Q♦ Q♥ with 4♦ 8♥ K♠: a pair of queens with K-8-4 kickers. Her low uses A♠ 2♠ with 3♣ 4♦ 8♥: 8-4-3-2-A. Ben’s high uses K♦ K♣ with 4♦ 8♥ K♠: three kings with 8-4 kickers. His low uses 5♥ 6♥ with 3♣ 4♦ 8♥: 8-6-5-4-3. Those are current made hands, not a payout or a prediction of the river.

After A♣ arrives, the best hands are:

AdaBest legal hand
HighHole cards A♠ Q♦ + board cards 8♥ K♠ A♣. Pair of aces, k-q-8 kickers.
LowHole cards A♠ 2♠ + board cards 3♣ 4♦ 8♥. 8-4-3-2-A low.
BenBest legal hand
HighHole cards K♦ K♣ + board cards 8♥ K♠ A♣. Three kings, a-8 kickers.
LowHole cards 5♥ 6♥ + board cards 3♣ 4♦ A♣. 6-5-4-3-A low.
PlayerHigh shareLow shareTotal from 120 chips
Ada000 chips (0 of the pot)
Ben1/21/2120 chips (1 of the pot)

Ada can still choose the old 3♣ 4♦ 8♥ board triple and make exactly the same eight-low. She does not have to use the new ace. Ben can now choose A♣ 3♣ 4♦ with his 5♥ 6♥, producing 6-5-4-3-A. Six-low beats eight-low. His three kings also beat Ada’s pair of aces, so he scoops 120 chips.

For the separate backup-card version, Ada holds A♠ 2♠ 5♦ Q♥. The board remains 3♣ 4♦ 8♥ K♠ A♣, and Ben still holds 5♥ 6♥ K♦ K♣.

AdaBest legal hand
HighHole cards 2♠ 5♦ + board cards 3♣ 4♦ A♣. 5-high straight.
LowHole cards 2♠ 5♦ + board cards 3♣ 4♦ A♣. 5-4-3-2-A low.
BenBest legal hand
HighHole cards K♦ K♣ + board cards 8♥ K♠ A♣. Three kings, a-8 kickers.
LowHole cards 5♥ 6♥ + board cards 3♣ 4♦ A♣. 6-5-4-3-A low.
PlayerHigh shareLow shareTotal from 120 chips
Ada1/21/2120 chips (1 of the pot)
Ben000 chips (0 of the pot)

Ada can now use 2♠ 5♦ with A♣ 3♣ 4♦. That is a wheel for low and a five-high straight for high. It beats Ben’s six-low and three kings, so Ada scoops all 120 chips. The backup five did more than restore a low share. It supplied a straight that also won high. Ada’s private ace is unused in both winning selections.

A repeatable showdown routine

  1. Check who is eligible for the pot you are awarding.
  2. List each player’s best high using two private cards and three board cards.
  3. Find each player’s best qualifying low with its own legal two-plus-three selection. Write low ranks largest first.
  4. If no low qualifies, award the whole pot to the high winner or tied high winners. Otherwise, divide high and low separately, then add each player’s shares.
  5. After a new board card, rebuild both comparisons. Keep the earlier answer only if it is still best.

The useful habit is to show your five cards. “I have A-2” is a holding description. “I use A♠ 2♠ and 3♣ 4♦ 8♥ for 8-4-3-2-A” is a low hand you can check. The same discipline catches missed straights, accidental three-card private selections and ties that should have been divided.

The teacher, a learner and Ace the HPD spade gather around an open practice notebook in a warm study room.
Write the high hand and the low hand on separate lines before dividing the pot.

The HPD spade has a fresh page ready. Pick one exercise, cover the answer, and write the exact high and low selections before moving any counters. If your split disagrees, trace the cards first and the arithmetic second.

For the same card-use rule with a larger private holding, continue to five-card Omaha rules. That linked lesson is high-only; a fifth private card does not create a low half by itself. For another topic, return to the HPD Info & Tools library.