Eight Three Suited vs Ace Nine Offsuit

At the flop:
Winning 27.23% of the time
Tied 0% of the time
Losing 72.77% of the time

At the Turn:
Winning 32.4% of the time
Tied 0% of the time
Losing 67.6% of the time

At the River:
Winning 36.85% of the time(14.82% with trips or better)
Tied 0.34% of the time
Losing 62.81% of the time(2.51% with trips or better)