Twodimes indicates that you could have a
22 or 23 % chance of winning.
http://twodimes.net/h/?z=11289
pokenum -h js tc - ad 5s -- ah td 8c
Holdem Hi: 990 enumerated boards containing 8c Td Ah
cards win %win lose %lose tie %tie EV
Js Tc 230 23.23 760 76.77 0 0.00 0.232
5s Ad 760 76.77 230 23.23 0 0.00 0.768
http://twodimes.net/h/?z=11294
pokenum -h as tc - js 7s -- jh td 4c
Holdem Hi: 990 enumerated boards containing 4c Td Jh
cards win %win lose %lose tie %tie EV
As Tc 216 21.82 774 78.18 0 0.00 0.218
Js 7s 774 78.18 216 21.82 0 0.00 0.782