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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ka5 draw
4 Kb7 draw
5 Ng6 loss in 10 half-moves
6 Nf7 loss in 6 half-moves
7 Ka7 loss in 4 half-moves