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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kd8 draw
5 Nc5 draw
6 Nf6 draw
7 Nb6 loss in 12 half-moves
8 Ne5 loss in 12 half-moves
9 Nb8 loss in 10 half-moves
10 Nf8 loss in 1 half-moves