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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kb8 draw
4 Kc8 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Kg4 draw
9 Kg5 draw
10 Kh3 draw
11 Kh5 draw
12 Kc6 loss in 2 half-moves
13 Kg3 loss in 2 half-moves