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

EGTB: win in 2 half-moves

# move score
1 K7d8 win in 1 half-moves
2 K8d8 win in 1 half-moves
3 Kd6 win in 1 half-moves
4 K7d7 win in 5 half-moves
5 K8d7 win in 5 half-moves
6 Kb6 win in 9 half-moves
7 Kc6 win in 9 half-moves
8 K8b7 win in 11 half-moves
9 K7b7 win in 13 half-moves
10 K8b8 win in 13 half-moves
11 K7b8 win in 21 half-moves