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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kb8 win in 5 half-moves
3 Kc7 win in 5 half-moves
4 Kd7 win in 5 half-moves
5 Kd8 win in 5 half-moves
6 Ne4 win in 9 half-moves
7 Nd7 win in 11 half-moves
8 Ne8 win in 11 half-moves
9 Ng8 win in 11 half-moves
10 Nh7 win in 17 half-moves
11 Nd5 loss in 2 half-moves
12 Ng4 loss in 2 half-moves
13 Nh5 loss in 2 half-moves