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

EGTB: win in 6 half-moves

# move score
1 Kb4 win in 5 half-moves
2 Kb5 win in 5 half-moves
3 Kb6 win in 5 half-moves
4 Kc4 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Nb3 win in 9 half-moves
7 Nb5 win in 9 half-moves
8 Nc2 win in 11 half-moves
9 Kd5 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Nc6 loss in 2 half-moves
12 Ne2 loss in 2 half-moves
13 Ne6 loss in 2 half-moves
14 Nf3 loss in 2 half-moves
15 Nf5 loss in 2 half-moves