King Four Suited vs Ace Nine Suited - Odds Of Winning
Win Probability
Equity
  |
  |
|
|---|---|---|
| King Four Suited (K4s) | Ace Nine Suited (A9s) | |
| 37.08% | Win | 62.39% |
| 0.53% | Tie | 0.53% |
| 37.35% | Equity | 62.65% |
King Four Suited vs Ace Nine Suited - Limit Poker Hand Ratings
  |
  |
|
|---|---|---|
| King Four Suited | Ace Nine Suited | |
| 7 | Sklansky Rating What is this? | 5 |
| 3 | Chen Formula What is this? | 5 |
| - | Hellmuth Tier What is this? | 4 |
| -0.05 | Expected Value What is this? | 0.18 |
King Four Suited vs Ace Nine Suited - Winning Hand Breakdown
| |
|
|
|---|---|---|
| King Four Suited | Ace Nine Suited | |
| 0 | High Card | 1,351,380 |
| 3,105,000 | One Pair | 6,907,680 |
| 3,727,584 | Two Pair | 4,856,076 |
| 806,832 | Three Of A Kind | 1,040,940 |
| 476,796 | Straight | 594,588 |
| 1,429,908 | Flush | 1,698,020 |
| 578,400 | Full House | 601,632 |
| 31,680 | Four Of A Kind | 37,584 |
| 3,452 | Straight Flush | 3,800 |
Strategic Breakdown: K4s vs A9s
A9s enters this matchup as the pre-flop favorite with 62.65% equity, while K4s trails at 37.35% (with 0.53% tie probability).
Pre-Flop Equity Distribution
- K4s Direct Win: 37.08%
- A9s Direct Win: 62.39%
- Split Pot / Tie: 0.53%
- Statistical Edge: +25.3% for A9s
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: K4s vs A9s
Who is favored to win between K4s and A9s?
A9s holds the statistical advantage with 62.65% equity and a 62.39% win rate. K4s has 37.35% equity and wins 37.08% of the time, with a 0.53% 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 0.53%. The underdog has a direct win probability of 37.08%, meaning the trailing hand will overturn the favorite roughly 1 in every 2.7 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.
