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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kc5 draw
3 Kd5 draw
4 Kd6 draw
5 Kb5 loss in 56 half-moves
6 Kc7 loss in 52 half-moves
7 Kb6 loss in 48 half-moves
8 Kb7 loss in 48 half-moves