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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Ke6 win in 3 half-moves
3 Nb6 win in 15 half-moves
4 Nc7 win in 15 half-moves
5 Kc6 win in 19 half-moves
6 Kd8 loss in 8 half-moves
7 Ke8 loss in 8 half-moves
8 Kc7 loss in 6 half-moves
9 Kc8 loss in 6 half-moves
10 Ke7 loss in 6 half-moves