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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Kf6 win in 5 half-moves
3 Kh6 win in 5 half-moves
4 Kf5 draw
5 Kh5 draw
6 Na7 draw
7 Nd6 draw
8 Ne7 draw
9 Kf4 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Nb6 loss in 2 half-moves