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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Kc7 win in 1 half-moves
3 Nb4 win in 1 half-moves
4 Kb7 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Nc1 loss in 1 half-moves
8 Nc3 loss in 1 half-moves