Ace Four Suited vs Ace Five Suited - Odds Of Winning
Win Probability
Equity
  |
  |
|
|---|---|---|
| Ace Four Suited (A4s) | Ace Five Suited (A5s) | |
| 25.43% | Win | 35.61% |
| 38.96% | Tie | 38.96% |
| 44.91% | Equity | 55.09% |
Ace Four Suited vs Ace Five Suited - Limit Poker Hand Ratings
  |
  |
|
|---|---|---|
| Ace Four Suited | Ace Five Suited | |
| 5 | Sklansky Rating What is this? | 5 |
| 5 | Chen Formula What is this? | 5 |
| 5 | Hellmuth Tier What is this? | 5 |
| 0.06 | Expected Value What is this? | 0.08 |
Ace Four Suited vs Ace Five Suited - Winning Hand Breakdown
| |
|
|
|---|---|---|
| Ace Four Suited | Ace Five Suited | |
| 0 | High Card | 544,320 |
| 1,285,752 | One Pair | 2,315,976 |
| 1,496,184 | Two Pair | 1,911,000 |
| 293,040 | Three Of A Kind | 304,560 |
| 453,252 | Straight | 530,220 |
| 1,444,596 | Flush | 1,444,092 |
| 227,244 | Full House | 240,528 |
| 11,868 | Four Of A Kind | 11,868 |
| 13,428 | Straight Flush | 13,944 |
Strategic Breakdown: A4s vs A5s
A5s enters this matchup as the pre-flop favorite with 55.09% equity, while A4s trails at 44.91% (with 38.96% tie probability).
Pre-Flop Equity Distribution
- A4s Direct Win: 25.43%
- A5s Direct Win: 35.61%
- Split Pot / Tie: 38.96%
- Statistical Edge: +10.18% for A5s
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: A4s vs A5s
Who is favored to win between A4s and A5s?
A5s holds the statistical advantage with 55.09% equity and a 35.61% win rate. A4s has 44.91% equity and wins 25.43% of the time, with a 38.96% 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 38.96%. The underdog has a direct win probability of 25.43%, meaning the trailing hand will overturn the favorite roughly 1 in every 3.9 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.
