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

EGTB: win in 4 half-moves

# move score
1 Ng6 win in 3 half-moves
2 Nf7 win in 5 half-moves
3 Kg4 win in 13 half-moves
4 Kg6 win in 13 half-moves
5 Kh4 win in 13 half-moves
6 Kg5 loss in 1 half-moves
7 Kh6 loss in 1 half-moves