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

EGTB: win in 6 half-moves

# move score
1 Kc7 win in 5 half-moves
2 Kd7 win in 5 half-moves
3 Kd8 win in 5 half-moves
4 Kb7 draw
5 Nf8 draw
6 Ng5 draw
7 Kb8 loss in 10 half-moves
8 Nf6 loss in 10 half-moves