At the flop:
Winning 26.76% of the time
Tied 0% of the time
Losing 73.24% of the time
At the Turn:
Winning 33.18% of the time
Tied 0% of the time
Losing 66.82% of the time
At the River:
Winning 38.21% of the time(17.06% with trips or better)
Tied 0.46% of the time
Losing 61.33% of the time(2.63% with trips or better)