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 Kcd7 draw
5 Kcd8 draw
6 Ked7 draw
7 Ked8 draw
8 Kf8 draw
9 Ke7 loss in 2 half-moves
10 Kf7 loss in 2 half-moves