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

EGTB: draw

# move score
1 Ka6 draw
2 Kb6 draw
3 Kc6 draw
4 Kc7 draw
5 Kc8 draw
6 Kd6 draw
7 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Ka4 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kd8 loss in 2 half-moves