Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Ka6 draw
2 Ka8 draw
3 Kd5 draw
4 Kd6 draw
5 Kd7 draw
6 Ke5 draw
7 Kf5 draw
8 Kf6 draw
9 Kf7 draw
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Ke7 loss in 1 half-moves