AKo...Automatic laydown to an all in?

Code:

http://twodimes.net/h/?z=741991
pokenum  -h as 8c  - 7s 7c  - ah kd 
Holdem Hi: 1370754 enumerated boards
cards     win   %win     lose  %lose    tie  %tie     EV
As 8c  247890  18.08  1094639  79.86  28225  2.06  0.191
7s 7c  604272  44.08   763359  55.69   3123  0.23  0.442
Kd Ah  490367  35.77   852162  62.17  28225  2.06  0.368

Good fold. This is not a profitable call.