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

EGTB: win in 18 half-moves

# move score
1 Kb6 win in 17 half-moves
2 Kb7 win in 17 half-moves
3 Kc6 win in 17 half-moves
4 Nb6 win in 17 half-moves
5 Kb8 loss in 4 half-moves
6 Kcc8 loss in 4 half-moves
7 Kcd7 loss in 4 half-moves
8 Kd6 loss in 4 half-moves
9 Kdd7 loss in 4 half-moves
10 Ke7 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Kdc8 loss in 3 half-moves
13 b4 loss in 2 half-moves