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

EGTB: draw

# move score
1 Kb6 draw
2 Kc6 loss in 50 half-moves
3 Kd6 loss in 50 half-moves
4 Kb7 loss in 48 half-moves
5 Kd7 loss in 48 half-moves
6 Kb8 loss in 46 half-moves
7 Kc8 loss in 46 half-moves
8 Kd8 loss in 46 half-moves