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

EGTB: draw

# move score
1 Kb6 draw
2 Kc7 draw
3 Kd7 draw
4 Kb5 loss in 32 half-moves
5 Kc5 loss in 30 half-moves
6 Kd6 loss in 30 half-moves
7 Kd5 loss in 28 half-moves
8 Kb7 loss in 2 half-moves