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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka4 draw
3 Kb5 draw
4 Ne7 draw
5 Nf6 draw
6 Kb6 loss in 6 half-moves
7 Ka6 loss in 4 half-moves
8 Nh6 loss in 4 half-moves