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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Ke2 draw
7 Ke3 draw
8 Kf2 draw
9 Kg2 draw
10 Kg3 draw
11 Ke4 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kg4 loss in 2 half-moves