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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Nb7 win in 1 half-moves
4 Kb5 win in 5 half-moves
5 Kb6 loss in 8 half-moves
6 Nb3 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Nc6 loss in 2 half-moves