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 draw
5 Nb4 draw
6 Nb8 draw
7 Nc5 draw
8 Kb8 loss in 8 half-moves
9 Nc7 loss in 8 half-moves