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 Nc6 draw
3 Nc8 draw
4 Nb5 loss in 26 half-moves
5 Kb6 loss in 12 half-moves
6 Ka5 loss in 4 half-moves
7 Kb7 loss in 2 half-moves