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

EGTB: draw

# move score
1 Ka7 draw
2 Kb8 draw
3 Kd1 draw
4 Kb7 loss in 2 half-moves
5 Kd2 loss in 2 half-moves
6 Ke2 loss in 2 half-moves
7 Kf1 loss in 2 half-moves
8 Kf2 loss in 2 half-moves