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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kc4 win in 1 half-moves
4 Kc6 win in 1 half-moves
5 Kd6 win in 1 half-moves
6 Kb5 draw
7 Kd5 draw
8 Kd4 loss in 2 half-moves