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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Nc6 win in 1 half-moves
5 Ka5 loss in 2 half-moves
6 Nc8 loss in 2 half-moves
7 Nb5 loss in 1 half-moves