Eight Three Suited vs King Nine Suited

At the flop:
Winning 26.24% of the time
Tied 0% of the time
Losing 73.76% of the time

At the Turn:
Winning 30.94% of the time
Tied 0% of the time
Losing 69.06% of the time

At the River:
Winning 34.84% of the time(14.36% with trips or better)
Tied 0.71% of the time
Losing 64.45% of the time(3.13% with trips or better)