Eight Four Suited vs Queen Six Suited

At the flop:
Winning 28.51% of the time
Tied 0% of the time
Losing 71.49% of the time

At the Turn:
Winning 33.9% of the time
Tied 0% of the time
Losing 66.1% of the time

At the River:
Winning 38.76% of the time(15.1% with trips or better)
Tied 0.85% of the time
Losing 60.39% of the time(2.85% with trips or better)