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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kd4 win in 1 half-moves
4 Nc7 win in 1 half-moves
5 Kc6 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Kb5 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Nb8 loss in 2 half-moves
11 Nb4 loss in 1 half-moves