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

EGTB: win in 6 half-moves

# move score
1 Kd4 win in 5 half-moves
2 Kc6 win in 7 half-moves
3 Kb5 win in 9 half-moves
4 Kb6 win in 9 half-moves
5 Nb4 win in 9 half-moves
6 Kb4 win in 13 half-moves
7 Kc4 win in 13 half-moves
8 Kd5 win in 13 half-moves
9 Kd6 win in 13 half-moves
10 Nc1 loss in 2 half-moves
11 Nc3 loss in 2 half-moves