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

EGTB: win in 4 half-moves

# move score
1 Kh5 win in 3 half-moves
2 Na7 draw
3 Nb6 draw
4 Nd6 draw
5 Kh3 loss in 4 half-moves
6 Ne7 loss in 2 half-moves
7 Kg3 loss in 1 half-moves
8 Kg4 loss in 1 half-moves
9 Kg5 loss in 1 half-moves