Four Two Unsuited Vs King Five Unsuited Poker Hand Odds

Quick Matchup Summary

Pre-Flop Favorite: K5o (65.94% Equity)  •  Win Probabilities: 42o: 33.64% • K5o: 65.53% • Tie: 0.83%

The favorite carries a clear mathematical edge, though post-flop board connectivity will heavily influence the winning outcome.

Based on 1.7M+ Monte Carlo simulations Odds Methodology »

Four Two Unsuited vs King Five Unsuited - Odds Of Winning

Win Probability

Equity

 
Four Two Unsuited (42o)   King Five Unsuited (K5o)
33.64% Win 65.53%
0.83% Tie 0.83%
34.06% Equity 65.94%

Four Two Unsuited vs King Five Unsuited - Limit Poker Hand Ratings

 
Four Two Unsuited   King Five Unsuited
- Sklansky Rating What is this? -
0.5 Chen Formula What is this? 3
- Hellmuth Tier What is this? -
-0.12 Expected Value What is this? -0.13

Four Two Unsuited vs King Five Unsuited - Winning Hand Breakdown

 
Four Two Unsuited   King Five Unsuited
0 High Card 15,584,400
24,944,256 One Pair 72,708,768
32,125,248 Two Pair 47,068,560
7,623,936 Three Of A Kind 9,621,504
10,304,064 Straight 6,300,576
2,561,832 Flush 4,417,704
5,086,656 Full House 5,505,408
285,120 Four Of A Kind 333,648
27,864 Straight Flush 34,200

Strategic Breakdown: 42o vs K5o

K5o enters this matchup as the pre-flop favorite with 65.94% equity, while 42o trails at 34.06% (with 0.83% tie probability).

Pre-Flop Equity Distribution

  • 42o Direct Win: 33.64%
  • K5o Direct Win: 65.53%
  • Split Pot / Tie: 0.83%
  • Statistical Edge: +31.88% for K5o

Flop Probability Benchmarks

  • Set-Mining (Pocket Pairs): 11.8% to flop a set (7.5 to 1 against).
  • Flopping a Flush (Suited): 0.84% (118 to 1); Flush draw: 10.9% (8 to 1).
  • Connecting on Flop (Unpaired): ~32.4% chance to pair at least one hole card.
  • Variance Rating: Moderate Variance

Frequently Asked Questions: 42o vs K5o

Who is favored to win between 42o and K5o?

K5o holds the statistical advantage with 65.94% equity and a 65.53% win rate. 42o has 34.06% equity and wins 33.64% of the time, with a 0.83% chance of splitting the pot.

How does this matchup change on the flop?

Pre-flop equities represent full five-card river run-outs across all 1.7 million combinatorial boards. However, the three-card flop accounts for roughly 71% of a hand's final texture. When the flop brings cards that coordinate with the underdog's holdings (such as straight or flush draws, or hitting an overcard), the trailing hand's equity can surge past 65–75% on the turn.

What is the probability of a split pot or bad beat?

In this exact matchup, the tie probability is 0.83%. The underdog has a direct win probability of 33.64%, meaning the trailing hand will overturn the favorite roughly 1 in every 3.0 showdowns.

How should you play this matchup in tournaments vs cash games?

In deep-stacked cash games (100bb+), position and post-flop implied odds dictate whether calling pre-flop raises is profitable. In tournament play with shallower stack depths (under 25bb), stack-to-pot ratios (SPR) shrink dramatically, making all-in shoves and 3-bet commitments mathematically dictated by pre-flop push/fold equity rather than post-flop maneuvering.

River Pairs