At the flop:
Winning 25.37% of the time
Tied 0% of the time
Losing 74.63% of the time
At the Turn:
Winning 29.06% of the time
Tied 0% of the time
Losing 70.94% of the time
At the River:
Winning 31.95% of the time(12.46% with trips or better)
Tied 1.08% of the time
Losing 66.97% of the time(2.85% with trips or better)