Quick Matchup Summary
Pre-Flop Favorite:
55 (83.51% Equity)
•
Win Probabilities: 42s: 15.19% • 55: 82.2% • Tie: 2.62%
This matchup is heavily dominated, with the favorite holding a commanding statistical edge prior to the flop.
Based on 1.7M+ Monte Carlo simulations
Odds Methodology »
Four Two Suited vs Pair Of Fives - Odds Of Winning
 |
|
 |
| Four Two Suited (42s) |
|
Pair Of Fives (55) |
| 15.19% |
Win |
82.20% |
| 2.62% |
Tie |
2.62% |
| 16.49% |
Equity |
83.51% |
Four Two Suited vs Pair Of Fives - Limit Poker Hand Ratings
Four Two Suited vs Pair Of Fives - Winning Hand Breakdown
 |
|
 |
| Four Two Suited |
|
Pair Of Fives |
| 0 |
High Card |
0 |
| 0 |
One Pair |
12,053,160 |
| 1,359,072 |
Two Pair |
12,675,744 |
| 1,062,432 |
Three Of A Kind |
3,775,788 |
| 848,232 |
Straight |
655,092 |
| 2,242,968 |
Flush |
748,512 |
| 656,640 |
Full House |
3,497,400 |
| 47,472 |
Four Of A Kind |
365,568 |
| 23,736 |
Straight Flush |
8,256 |
Strategic Breakdown: 42s vs 55
55 enters this matchup as the pre-flop favorite with 83.51% equity, while 42s trails at 16.49% (with 2.62% tie probability).
Pre-Flop Equity Distribution
- 42s Direct Win: 15.19%
- 55 Direct Win: 82.2%
- Split Pot / Tie: 2.62%
- Statistical Edge:
+67.02% for 55
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:
Low Variance (Dominant Favorite)
Frequently Asked Questions: 42s vs 55
55 holds the statistical advantage with 83.51% equity and a 82.2% win rate. 42s has 16.49% equity and wins 15.19% of the time, with a 2.62% chance of splitting the pot.
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.
In this exact matchup, the tie probability is 2.62%. The underdog has a direct win probability of 15.19%, meaning the trailing hand will overturn the favorite roughly 1 in every 6.6 showdowns.
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.