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

EGTB: win in 4 half-moves

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