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 Kb6 draw
4 Kb8 draw
5 Kd3 draw
6 Kd4 draw
7 Kd5 draw
8 Ke3 draw
9 Ke5 draw
10 Kf3 draw
11 Kf4 draw
12 Kb7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves