ProPokerTools
Unrolled Hold'em Simulation ?

Before the Flop 1,712,304 trials (Exhaustive)

Hand Equity Wins Ties
JsAs 12.94% 210,969 21,127
AhAd 87.06% 1,480,208 21,127

On the Flop 990 trials (Exhaustive)
board: 8h4s5d
Hand Equity Wins Ties
JsAs 6.36% 48 30
AhAd 93.64% 912 30

On the Turn 44 trials (Exhaustive)
board: 8h4s5d9d
Hand Equity Wins Ties
JsAs 0.00% 0 0
AhAd 100.00% 44 0

On the River 1 trials (Exhaustive)
board: 8h4s5d9d4d
Hand Equity Wins Ties
JsAs 0.00% 0 0
AhAd 100.00% 1 0