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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Kb7 draw
3 Kd8 draw
4 Kd7 loss in 6 half-moves
5 Nc2 loss in 2 half-moves
6 Kb8 loss in 1 half-moves
7 Kc7 loss in 1 half-moves