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

EGTB: draw

# move score
1 Kb6 draw
2 Kc6 draw
3 Kd6 draw
4 Kd7 draw
5 Kc8 loss in 52 half-moves
6 Kd8 loss in 52 half-moves
7 Kb7 loss in 48 half-moves
8 Kb8 loss in 44 half-moves