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

EGTB: win in 2 half-moves

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