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

EGTB: win in 14 half-moves

# move score
1 K8d8 win in 13 half-moves
2 Kb6 win in 13 half-moves
3 K7b7 win in 15 half-moves
4 K7b8 win in 17 half-moves
5 K8b8 win in 17 half-moves
6 b3 loss in 4 half-moves
7 K7d7 loss in 4 half-moves
8 K7d8 loss in 4 half-moves
9 K8b7 loss in 4 half-moves
10 K8d7 loss in 4 half-moves
11 Kc6 loss in 4 half-moves
12 Kd6 loss in 4 half-moves
13 Nb6 loss in 4 half-moves