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

EGTB: win in 4 half-moves

# move score
1 K7d7 win in 3 half-moves
2 K8d7 win in 3 half-moves
3 K8d8 win in 17 half-moves
4 K7d8 win in 19 half-moves
5 Kb6 win in 23 half-moves
6 K8b7 win in 25 half-moves
7 K8b8 win in 27 half-moves
8 K7b7 draw
9 K7b8 draw
10 Kc6 loss in 2 half-moves
11 Kd6 loss in 2 half-moves