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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 draw
3 Kc6 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Nc3 draw
8 Kb8 loss in 4 half-moves
9 Kc8 loss in 4 half-moves
10 Nc1 loss in 4 half-moves
11 Nb4 loss in 2 half-moves