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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Kb7 win in 7 half-moves
5 Kb8 win in 15 half-moves
6 Nc5 win in 35 half-moves
7 Nb4 draw
8 Nb8 draw
9 Nc7 draw